diff --git a/apps/openmw/mwgui/birth.cpp b/apps/openmw/mwgui/birth.cpp
index f6e8ec0a8..668253712 100644
--- a/apps/openmw/mwgui/birth.cpp
+++ b/apps/openmw/mwgui/birth.cpp
@@ -4,8 +4,6 @@
 #include <MyGUI_ImageBox.h>
 #include <MyGUI_Gui.h>
 
-#include <boost/lexical_cast.hpp>
-
 #include <components/esm/records.hpp>
 #include <components/misc/resourcehelpers.hpp>
 
@@ -234,7 +232,7 @@ namespace MWGui
                 for (std::vector<std::string>::const_iterator it = categories[category].spells.begin(); it != end; ++it)
                 {
                     const std::string &spellId = *it;
-                    spellWidget = mSpellArea->createWidget<Widgets::MWSpell>("MW_StatName", coord, MyGUI::Align::Default, std::string("Spell") + boost::lexical_cast<std::string>(i));
+                    spellWidget = mSpellArea->createWidget<Widgets::MWSpell>("MW_StatName", coord, MyGUI::Align::Default, std::string("Spell") + MyGUI::utility::toString(i));
                     spellWidget->setSpellId(spellId);
 
                     mSpellItems.push_back(spellWidget);
diff --git a/apps/openmw/mwgui/bookwindow.cpp b/apps/openmw/mwgui/bookwindow.cpp
index 69d4a7288..da0d1950e 100644
--- a/apps/openmw/mwgui/bookwindow.cpp
+++ b/apps/openmw/mwgui/bookwindow.cpp
@@ -2,8 +2,6 @@
 
 #include <MyGUI_TextBox.h>
 
-#include <boost/lexical_cast.hpp>
-
 #include <components/esm/loadbook.hpp>
 
 #include "../mwbase/environment.hpp"
@@ -142,8 +140,8 @@ namespace MWGui
 
     void BookWindow::updatePages()
     {
-        mLeftPageNumber->setCaption( boost::lexical_cast<std::string>(mCurrentPage*2 + 1) );
-        mRightPageNumber->setCaption( boost::lexical_cast<std::string>(mCurrentPage*2 + 2) );
+        mLeftPageNumber->setCaption( MyGUI::utility::toString(mCurrentPage*2 + 1) );
+        mRightPageNumber->setCaption( MyGUI::utility::toString(mCurrentPage*2 + 2) );
 
         //If it is the last page, hide the button "Next Page"
         if (   (mCurrentPage+1)*2 == mPages.size()
diff --git a/apps/openmw/mwgui/charactercreation.cpp b/apps/openmw/mwgui/charactercreation.cpp
index 3df8da942..ab412f63b 100644
--- a/apps/openmw/mwgui/charactercreation.cpp
+++ b/apps/openmw/mwgui/charactercreation.cpp
@@ -1,7 +1,5 @@
 #include "charactercreation.hpp"
 
-#include <boost/lexical_cast.hpp>
-
 #include "../mwbase/environment.hpp"
 #include "../mwbase/soundmanager.hpp"
 #include "../mwbase/mechanicsmanager.hpp"
@@ -34,11 +32,11 @@ namespace
     Step sGenerateClassSteps(int number) {
         number++;
         const MWWorld::Fallback* fallback=MWBase::Environment::get().getWorld()->getFallback();
-        Step step = {fallback->getFallbackString("Question_"+boost::lexical_cast<std::string>(number)+"_Question"),
-        {fallback->getFallbackString("Question_"+boost::lexical_cast<std::string>(number)+"_AnswerOne"),
-        fallback->getFallbackString("Question_"+boost::lexical_cast<std::string>(number)+"_AnswerTwo"),
-        fallback->getFallbackString("Question_"+boost::lexical_cast<std::string>(number)+"_AnswerThree")},
-        "vo\\misc\\chargen qa"+boost::lexical_cast<std::string>(number)+".wav"
+        Step step = {fallback->getFallbackString("Question_"+MyGUI::utility::toString(number)+"_Question"),
+        {fallback->getFallbackString("Question_"+MyGUI::utility::toString(number)+"_AnswerOne"),
+        fallback->getFallbackString("Question_"+MyGUI::utility::toString(number)+"_AnswerTwo"),
+        fallback->getFallbackString("Question_"+MyGUI::utility::toString(number)+"_AnswerThree")},
+        "vo\\misc\\chargen qa"+MyGUI::utility::toString(number)+".wav"
         };
         return step;
     }
diff --git a/apps/openmw/mwgui/companionwindow.cpp b/apps/openmw/mwgui/companionwindow.cpp
index a863000ff..758316030 100644
--- a/apps/openmw/mwgui/companionwindow.cpp
+++ b/apps/openmw/mwgui/companionwindow.cpp
@@ -1,7 +1,5 @@
 #include "companionwindow.hpp"
 
-#include <boost/lexical_cast.hpp>
-
 #include <MyGUI_InputManager.h>
 
 #include "../mwbase/environment.hpp"
@@ -122,7 +120,7 @@ void CompanionWindow::updateEncumbranceBar()
     else
     {
         MWMechanics::NpcStats& stats = mPtr.getClass().getNpcStats(mPtr);
-        mProfitLabel->setCaptionWithReplacing("#{sProfitValue} " + boost::lexical_cast<std::string>(stats.getProfit()));
+        mProfitLabel->setCaptionWithReplacing("#{sProfitValue} " + MyGUI::utility::toString(stats.getProfit()));
     }
 }
 
diff --git a/apps/openmw/mwgui/container.cpp b/apps/openmw/mwgui/container.cpp
index cb256e0fd..49e641aed 100644
--- a/apps/openmw/mwgui/container.cpp
+++ b/apps/openmw/mwgui/container.cpp
@@ -1,7 +1,5 @@
 #include "container.hpp"
 
-#include <boost/lexical_cast.hpp>
-
 #include <MyGUI_InputManager.h>
 #include <MyGUI_Button.h>
 
diff --git a/apps/openmw/mwgui/dialogue.cpp b/apps/openmw/mwgui/dialogue.cpp
index 1e8e06dc0..eee86c6d2 100644
--- a/apps/openmw/mwgui/dialogue.cpp
+++ b/apps/openmw/mwgui/dialogue.cpp
@@ -1,7 +1,6 @@
 #include "dialogue.hpp"
 
 #include <boost/bind.hpp>
-#include <boost/lexical_cast.hpp>
 
 #include <MyGUI_LanguageManager.h>
 #include <MyGUI_Window.h>
@@ -100,7 +99,7 @@ namespace MWGui
         mBribe100Button->setEnabled (playerGold >= 100);
         mBribe1000Button->setEnabled (playerGold >= 1000);
 
-        mGoldLabel->setCaptionWithReplacing("#{sGold}: " + boost::lexical_cast<std::string>(playerGold));
+        mGoldLabel->setCaptionWithReplacing("#{sGold}: " + MyGUI::utility::toString(playerGold));
     }
 
     void PersuasionDialog::exit()
@@ -630,7 +629,7 @@ namespace MWGui
             dispositionVisible = true;
             mDispositionBar->setProgressRange(100);
             mDispositionBar->setProgressPosition(MWBase::Environment::get().getMechanicsManager()->getDerivedDisposition(mPtr));
-            mDispositionText->setCaption(boost::lexical_cast<std::string>(MWBase::Environment::get().getMechanicsManager()->getDerivedDisposition(mPtr))+std::string("/100"));
+            mDispositionText->setCaption(MyGUI::utility::toString(MWBase::Environment::get().getMechanicsManager()->getDerivedDisposition(mPtr))+std::string("/100"));
         }
 
         bool dispositionWasVisible = mDispositionBar->getVisible();
@@ -672,7 +671,7 @@ namespace MWGui
                     + MWBase::Environment::get().getDialogueManager()->getTemporaryDispositionChange()));
             mDispositionBar->setProgressRange(100);
             mDispositionBar->setProgressPosition(disp);
-            mDispositionText->setCaption(boost::lexical_cast<std::string>(disp)+std::string("/100"));
+            mDispositionText->setCaption(MyGUI::utility::toString(disp)+std::string("/100"));
         }
     }
 }
diff --git a/apps/openmw/mwgui/enchantingdialog.cpp b/apps/openmw/mwgui/enchantingdialog.cpp
index 5bd799dac..a17c0d0e6 100644
--- a/apps/openmw/mwgui/enchantingdialog.cpp
+++ b/apps/openmw/mwgui/enchantingdialog.cpp
@@ -105,15 +105,15 @@ namespace MWGui
     {
         std::stringstream enchantCost;
         enchantCost << std::setprecision(1) << std::fixed << mEnchanting.getEnchantPoints();
-        mEnchantmentPoints->setCaption(enchantCost.str() + " / " + boost::lexical_cast<std::string>(mEnchanting.getMaxEnchantValue()));
+        mEnchantmentPoints->setCaption(enchantCost.str() + " / " + MyGUI::utility::toString(mEnchanting.getMaxEnchantValue()));
 
-        mCharge->setCaption(boost::lexical_cast<std::string>(mEnchanting.getGemCharge()));
+        mCharge->setCaption(MyGUI::utility::toString(mEnchanting.getGemCharge()));
 
         std::stringstream castCost;
         castCost << mEnchanting.getEffectiveCastCost();
         mCastCost->setCaption(castCost.str());
 
-        mPrice->setCaption(boost::lexical_cast<std::string>(mEnchanting.getEnchantPrice()));
+        mPrice->setCaption(MyGUI::utility::toString(mEnchanting.getEnchantPrice()));
 
         switch(mEnchanting.getCastStyle())
         {
diff --git a/apps/openmw/mwgui/formatting.cpp b/apps/openmw/mwgui/formatting.cpp
index 3f2b7d228..761a89ca6 100644
--- a/apps/openmw/mwgui/formatting.cpp
+++ b/apps/openmw/mwgui/formatting.cpp
@@ -11,7 +11,6 @@
 
 #include <boost/algorithm/string/replace.hpp>
 #include <boost/algorithm/string/predicate.hpp>
-#include <boost/lexical_cast.hpp>
 
 #include <components/interpreter/defines.hpp>
 #include <components/misc/resourcehelpers.hpp>
@@ -284,8 +283,8 @@ namespace MWGui
                             continue;
 
                         std::string src = attr.at("src");
-                        int width = boost::lexical_cast<int>(attr.at("width"));
-                        int height = boost::lexical_cast<int>(attr.at("height"));
+                        int width = MyGUI::utility::parseInt(attr.at("width"));
+                        int height = MyGUI::utility::parseInt(attr.at("height"));
 
                         ImageElement elem(paper, pag, mBlockStyle,
                                           src, width, height);
@@ -397,7 +396,7 @@ namespace MWGui
         {
             MyGUI::EditBox* box = parent->createWidget<MyGUI::EditBox>("NormalText",
                 MyGUI::IntCoord(0, pag.getCurrentTop(), pag.getPageWidth(), 0), MyGUI::Align::Left | MyGUI::Align::Top,
-                parent->getName() + boost::lexical_cast<std::string>(parent->getChildCount()));
+                parent->getName() + MyGUI::utility::toString(parent->getChildCount()));
             box->setProperty("Static", "true");
             box->setProperty("MultiLine", "true");
             box->setProperty("WordWrap", "true");
@@ -465,7 +464,7 @@ namespace MWGui
 
             mImageBox = parent->createWidget<MyGUI::ImageBox> ("ImageBox",
                 MyGUI::IntCoord(left, pag.getCurrentTop(), width, mImageHeight), MyGUI::Align::Left | MyGUI::Align::Top,
-                parent->getName() + boost::lexical_cast<std::string>(parent->getChildCount()));
+                parent->getName() + MyGUI::utility::toString(parent->getChildCount()));
 
             std::string image = Misc::ResourceHelpers::correctBookartPath(src, width, mImageHeight);
             mImageBox->setImageTexture(image);
diff --git a/apps/openmw/mwgui/hud.cpp b/apps/openmw/mwgui/hud.cpp
index 053106043..b4312dc40 100644
--- a/apps/openmw/mwgui/hud.cpp
+++ b/apps/openmw/mwgui/hud.cpp
@@ -1,7 +1,5 @@
 #include "hud.hpp"
 
-#include <boost/lexical_cast.hpp>
-
 #include <OgreMath.h>
 
 #include <MyGUI_RenderManager.h>
@@ -214,17 +212,17 @@ namespace MWGui
     void HUD::setFPS(float fps)
     {
         if (mFpsCounter)
-            mFpsCounter->setCaption(boost::lexical_cast<std::string>((int)fps));
+            mFpsCounter->setCaption(MyGUI::utility::toString((int)fps));
     }
 
     void HUD::setTriangleCount(unsigned int count)
     {
-        mTriangleCounter->setCaption(boost::lexical_cast<std::string>(count));
+        mTriangleCounter->setCaption(MyGUI::utility::toString(count));
     }
 
     void HUD::setBatchCount(unsigned int count)
     {
-        mBatchCounter->setCaption(boost::lexical_cast<std::string>(count));
+        mBatchCounter->setCaption(MyGUI::utility::toString(count));
     }
 
     void HUD::setValue(const std::string& id, const MWMechanics::DynamicStat<float>& value)
@@ -233,7 +231,7 @@ namespace MWGui
         int modified = static_cast<int>(value.getModified());
 
         MyGUI::Widget* w;
-        std::string valStr = boost::lexical_cast<std::string>(current) + "/" + boost::lexical_cast<std::string>(modified);
+        std::string valStr = MyGUI::utility::toString(current) + "/" + MyGUI::utility::toString(modified);
         if (id == "HBar")
         {
             mHealth->setProgressRange(modified);
diff --git a/apps/openmw/mwgui/inventorywindow.cpp b/apps/openmw/mwgui/inventorywindow.cpp
index bc39c36d2..ed0f505f5 100644
--- a/apps/openmw/mwgui/inventorywindow.cpp
+++ b/apps/openmw/mwgui/inventorywindow.cpp
@@ -8,8 +8,6 @@
 #include <MyGUI_InputManager.h>
 #include <MyGUI_Button.h>
 
-#include <boost/lexical_cast.hpp>
-
 #include "../mwbase/world.hpp"
 #include "../mwbase/environment.hpp"
 #include "../mwbase/soundmanager.hpp"
@@ -542,9 +540,9 @@ namespace MWGui
         if (mPreviewResize || mPreviewDirty)
         {
             mArmorRating->setCaptionWithReplacing ("#{sArmor}: "
-                + boost::lexical_cast<std::string>(static_cast<int>(mPtr.getClass().getArmorRating(mPtr))));
+                + MyGUI::utility::toString(static_cast<int>(mPtr.getClass().getArmorRating(mPtr))));
             if (mArmorRating->getTextSize().width > mArmorRating->getSize().width)
-                mArmorRating->setCaptionWithReplacing (boost::lexical_cast<std::string>(static_cast<int>(mPtr.getClass().getArmorRating(mPtr))));
+                mArmorRating->setCaptionWithReplacing (MyGUI::utility::toString(static_cast<int>(mPtr.getClass().getArmorRating(mPtr))));
         }
         if (mPreviewResize)
         {
diff --git a/apps/openmw/mwgui/itemview.cpp b/apps/openmw/mwgui/itemview.cpp
index bf8bf1adf..41c3604b4 100644
--- a/apps/openmw/mwgui/itemview.cpp
+++ b/apps/openmw/mwgui/itemview.cpp
@@ -2,8 +2,6 @@
 
 #include <cmath>
 
-#include <boost/lexical_cast.hpp>
-
 #include <MyGUI_FactoryManager.h>
 #include <MyGUI_Gui.h>
 #include <MyGUI_ImageBox.h>
diff --git a/apps/openmw/mwgui/itemwidget.cpp b/apps/openmw/mwgui/itemwidget.cpp
index b6a288078..36940113e 100644
--- a/apps/openmw/mwgui/itemwidget.cpp
+++ b/apps/openmw/mwgui/itemwidget.cpp
@@ -4,8 +4,6 @@
 #include <MyGUI_ImageBox.h>
 #include <MyGUI_TextBox.h>
 
-#include <boost/lexical_cast.hpp>
-
 #include <components/misc/resourcehelpers.hpp>
 
 #include "../mwworld/class.hpp"
@@ -17,9 +15,9 @@ namespace
         if (count == 1)
             return "";
         if (count > 9999)
-            return boost::lexical_cast<std::string>(int(count/1000.f)) + "k";
+            return MyGUI::utility::toString(int(count/1000.f)) + "k";
         else
-            return boost::lexical_cast<std::string>(count);
+            return MyGUI::utility::toString(count);
     }
 }
 
diff --git a/apps/openmw/mwgui/journalwindow.cpp b/apps/openmw/mwgui/journalwindow.cpp
index c4b80b5fe..afff5601a 100644
--- a/apps/openmw/mwgui/journalwindow.cpp
+++ b/apps/openmw/mwgui/journalwindow.cpp
@@ -10,7 +10,6 @@
 
 #include <boost/bind.hpp>
 #include <boost/function.hpp>
-#include <boost/lexical_cast.hpp>
 
 #include <components/widgets/imagebutton.hpp>
 #include <components/widgets/list.hpp>
@@ -74,7 +73,7 @@ namespace
         void setText (char const * name, value_type const & value)
         {
             getWidget <MyGUI::TextBox> (name) ->
-                setCaption (boost::lexical_cast <std::string> (value));
+                setCaption (MyGUI::utility::toString (value));
         }
 
         void setVisible (char const * name, bool visible)
diff --git a/apps/openmw/mwgui/mapwindow.cpp b/apps/openmw/mwgui/mapwindow.cpp
index cf8326b5c..0f9fa2775 100644
--- a/apps/openmw/mwgui/mapwindow.cpp
+++ b/apps/openmw/mwgui/mapwindow.cpp
@@ -1,7 +1,5 @@
 #include "mapwindow.hpp"
 
-#include <boost/lexical_cast.hpp>
-
 #include <OgreSceneNode.h>
 #include <OgreVector2.h>
 
@@ -235,8 +233,8 @@ namespace MWGui
         {
             for (int my=0; my<3; ++my)
             {
-                std::string image = mPrefix+"_"+ boost::lexical_cast<std::string>(mCurX + (mx-1)) + "_"
-                        + boost::lexical_cast<std::string>(mCurY + (-1*(my-1)));
+                std::string image = mPrefix+"_"+ MyGUI::utility::toString(mCurX + (mx-1)) + "_"
+                        + MyGUI::utility::toString(mCurY + (-1*(my-1)));
                 MyGUI::ImageBox* fog = mFogWidgets[my + 3*mx];
                 fog->setImageTexture(mFogOfWar ?
                     ((MyGUI::RenderManager::getInstance().getTexture(image+"_fog") != 0) ? image+"_fog"
@@ -362,8 +360,8 @@ namespace MWGui
             for (int my=0; my<3; ++my)
             {
                 // map
-                std::string image = mPrefix+"_"+ boost::lexical_cast<std::string>(x + (mx-1)) + "_"
-                        + boost::lexical_cast<std::string>(y + (-1*(my-1)));
+                std::string image = mPrefix+"_"+ MyGUI::utility::toString(x + (mx-1)) + "_"
+                        + MyGUI::utility::toString(y + (-1*(my-1)));
 
                 MyGUI::ImageBox* box = mMapWidgets[my + 3*mx];
 
diff --git a/apps/openmw/mwgui/merchantrepair.cpp b/apps/openmw/mwgui/merchantrepair.cpp
index 3f2f2ba02..907c664b1 100644
--- a/apps/openmw/mwgui/merchantrepair.cpp
+++ b/apps/openmw/mwgui/merchantrepair.cpp
@@ -2,8 +2,6 @@
 
 #include <components/esm/loadgmst.hpp>
 
-#include <boost/lexical_cast.hpp>
-
 #include <MyGUI_Button.h>
 #include <MyGUI_ScrollView.h>
 #include <MyGUI_Gui.h>
@@ -71,7 +69,7 @@ void MerchantRepair::startRepair(const MWWorld::Ptr &actor)
 
 
             std::string name = iter->getClass().getName(*iter)
-                    + " - " + boost::lexical_cast<std::string>(price)
+                    + " - " + MyGUI::utility::toString(price)
                     + MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>()
                     .find("sgp")->getString();
 
@@ -87,7 +85,7 @@ void MerchantRepair::startRepair(const MWWorld::Ptr &actor)
 
             currentY += 18;
 
-            button->setUserString("Price", boost::lexical_cast<std::string>(price));
+            button->setUserString("Price", MyGUI::utility::toString(price));
             button->setUserData(*iter);
             button->setCaptionWithReplacing(name);
             button->setSize(button->getTextSize().width,18);
@@ -102,7 +100,7 @@ void MerchantRepair::startRepair(const MWWorld::Ptr &actor)
     mList->setVisibleVScroll(true);
 
     mGoldLabel->setCaptionWithReplacing("#{sGold}: "
-        + boost::lexical_cast<std::string>(playerGold));
+        + MyGUI::utility::toString(playerGold));
 }
 
 void MerchantRepair::onMouseWheel(MyGUI::Widget* _sender, int _rel)
@@ -127,7 +125,7 @@ void MerchantRepair::onRepairButtonClick(MyGUI::Widget *sender)
 {
     MWWorld::Ptr player = MWBase::Environment::get().getWorld()->getPlayerPtr();
 
-    int price = boost::lexical_cast<int>(sender->getUserString("Price"));
+    int price = MyGUI::utility::parseInt(sender->getUserString("Price"));
     if (price > player.getClass().getContainerStore(player).count(MWWorld::ContainerStore::sGoldId))
         return;
 
diff --git a/apps/openmw/mwgui/quickkeysmenu.cpp b/apps/openmw/mwgui/quickkeysmenu.cpp
index 6e10e4a97..deba64434 100644
--- a/apps/openmw/mwgui/quickkeysmenu.cpp
+++ b/apps/openmw/mwgui/quickkeysmenu.cpp
@@ -1,7 +1,5 @@
 #include "quickkeysmenu.hpp"
 
-#include <boost/lexical_cast.hpp>
-
 #include <MyGUI_EditBox.h>
 #include <MyGUI_Button.h>
 #include <MyGUI_Gui.h>
@@ -57,7 +55,7 @@ namespace MWGui
         for (int i = 0; i < 10; ++i)
         {
             ItemWidget* button;
-            getWidget(button, "QuickKey" + boost::lexical_cast<std::string>(i+1));
+            getWidget(button, "QuickKey" + MyGUI::utility::toString(i+1));
 
             button->eventMouseButtonClick += MyGUI::newDelegate(this, &QuickKeysMenu::onQuickKeyButtonClicked);
 
@@ -100,7 +98,7 @@ namespace MWGui
 
         MyGUI::TextBox* textBox = key->createWidgetReal<MyGUI::TextBox>("SandText", MyGUI::FloatCoord(0,0,1,1), MyGUI::Align::Default);
         textBox->setTextAlign (MyGUI::Align::Center);
-        textBox->setCaption (boost::lexical_cast<std::string>(index+1));
+        textBox->setCaption (MyGUI::utility::toString(index+1));
         textBox->setNeedMouseFocus (false);
     }
 
diff --git a/apps/openmw/mwgui/race.cpp b/apps/openmw/mwgui/race.cpp
index 9c5091b2b..f6aa8ee4c 100644
--- a/apps/openmw/mwgui/race.cpp
+++ b/apps/openmw/mwgui/race.cpp
@@ -5,7 +5,6 @@
 #include <MyGUI_RenderManager.h>
 #include <MyGUI_Gui.h>
 
-#include <boost/lexical_cast.hpp>
 #include <boost/format.hpp>
 
 #include "../mwworld/esmstore.hpp"
@@ -402,7 +401,7 @@ namespace MWGui
                 continue;
 
             skillWidget = mSkillList->createWidget<Widgets::MWSkill>("MW_StatNameValue", coord1, MyGUI::Align::Default,
-                                                           std::string("Skill") + boost::lexical_cast<std::string>(i));
+                                                           std::string("Skill") + MyGUI::utility::toString(i));
             skillWidget->setSkillNumber(skillId);
             skillWidget->setSkillValue(Widgets::MWSkill::SkillValue(race->mData.mBonus[i].mBonus));
             ToolTips::createSkillToolTip(skillWidget, skillId);
@@ -436,7 +435,7 @@ namespace MWGui
         for (int i = 0; it != end; ++it)
         {
             const std::string &spellpower = *it;
-            Widgets::MWSpellPtr spellPowerWidget = mSpellPowerList->createWidget<Widgets::MWSpell>("MW_StatName", coord, MyGUI::Align::Default, std::string("SpellPower") + boost::lexical_cast<std::string>(i));
+            Widgets::MWSpellPtr spellPowerWidget = mSpellPowerList->createWidget<Widgets::MWSpell>("MW_StatName", coord, MyGUI::Align::Default, std::string("SpellPower") + MyGUI::utility::toString(i));
             spellPowerWidget->setSpellId(spellpower);
             spellPowerWidget->setUserString("ToolTipType", "Spell");
             spellPowerWidget->setUserString("Spell", spellpower);
diff --git a/apps/openmw/mwgui/recharge.cpp b/apps/openmw/mwgui/recharge.cpp
index 81e36c958..2c854a8f5 100644
--- a/apps/openmw/mwgui/recharge.cpp
+++ b/apps/openmw/mwgui/recharge.cpp
@@ -1,6 +1,5 @@
 #include "recharge.hpp"
 
-#include <boost/lexical_cast.hpp>
 #include <boost/format.hpp>
 
 #include <MyGUI_ScrollView.h>
@@ -66,7 +65,7 @@ void Recharge::updateView()
     std::string soul = gem.getCellRef().getSoul();
     const ESM::Creature *creature = MWBase::Environment::get().getWorld()->getStore().get<ESM::Creature>().find(soul);
 
-    mChargeLabel->setCaptionWithReplacing("#{sCharges} " + boost::lexical_cast<std::string>(creature->mData.mSoul));
+    mChargeLabel->setCaptionWithReplacing("#{sCharges} " + MyGUI::utility::toString(creature->mData.mSoul));
 
     bool toolBoxVisible = (gem.getRefData().getCount() != 0);
     mGemBox->setVisible(toolBoxVisible);
diff --git a/apps/openmw/mwgui/repair.cpp b/apps/openmw/mwgui/repair.cpp
index 56ce09c84..c3c971400 100644
--- a/apps/openmw/mwgui/repair.cpp
+++ b/apps/openmw/mwgui/repair.cpp
@@ -2,8 +2,6 @@
 
 #include <iomanip>
 
-#include <boost/lexical_cast.hpp>
-
 #include <MyGUI_ScrollView.h>
 #include <MyGUI_Gui.h>
 
@@ -68,7 +66,7 @@ void Repair::updateRepairView()
     std::stringstream qualityStr;
     qualityStr << std::setprecision(3) << quality;
 
-    mUsesLabel->setCaptionWithReplacing("#{sUses} " + boost::lexical_cast<std::string>(uses));
+    mUsesLabel->setCaptionWithReplacing("#{sUses} " + MyGUI::utility::toString(uses));
     mQualityLabel->setCaptionWithReplacing("#{sQuality} " + qualityStr.str());
 
     bool toolBoxVisible = (mRepair.getTool().getRefData().getCount() != 0);
diff --git a/apps/openmw/mwgui/review.cpp b/apps/openmw/mwgui/review.cpp
index 2f52aae85..1bcd2d31a 100644
--- a/apps/openmw/mwgui/review.cpp
+++ b/apps/openmw/mwgui/review.cpp
@@ -4,8 +4,6 @@
 #include <MyGUI_ImageBox.h>
 #include <MyGUI_Gui.h>
 
-#include <boost/lexical_cast.hpp>
-
 #include "../mwbase/environment.hpp"
 #include "../mwbase/world.hpp"
 #include "../mwbase/windowmanager.hpp"
@@ -77,7 +75,7 @@ namespace MWGui
         Widgets::MWAttributePtr attribute;
         for (int idx = 0; idx < ESM::Attribute::Length; ++idx)
         {
-            getWidget(attribute, std::string("Attribute") + boost::lexical_cast<std::string>(idx));
+            getWidget(attribute, std::string("Attribute") + MyGUI::utility::toString(idx));
             mAttributeWidgets.insert(std::make_pair(static_cast<int>(ESM::Attribute::sAttributeIds[idx]), attribute));
             attribute->setAttributeId(ESM::Attribute::sAttributeIds[idx]);
             attribute->setAttributeValue(Widgets::MWAttribute::AttributeValue());
@@ -149,21 +147,21 @@ namespace MWGui
     void ReviewDialog::setHealth(const MWMechanics::DynamicStat<float>& value)
     {
         mHealth->setValue(value.getCurrent(), value.getModified());
-        std::string valStr =  boost::lexical_cast<std::string>(value.getCurrent()) + "/" + boost::lexical_cast<std::string>(value.getModified());
+        std::string valStr =  MyGUI::utility::toString(value.getCurrent()) + "/" + MyGUI::utility::toString(value.getModified());
         mHealth->setUserString("Caption_HealthDescription", "#{sHealthDesc}\n" + valStr);
     }
 
     void ReviewDialog::setMagicka(const MWMechanics::DynamicStat<float>& value)
     {
         mMagicka->setValue(value.getCurrent(), value.getModified());
-        std::string valStr =  boost::lexical_cast<std::string>(value.getCurrent()) + "/" + boost::lexical_cast<std::string>(value.getModified());
+        std::string valStr =  MyGUI::utility::toString(value.getCurrent()) + "/" + MyGUI::utility::toString(value.getModified());
         mMagicka->setUserString("Caption_HealthDescription", "#{sIntDesc}\n" + valStr);
     }
 
     void ReviewDialog::setFatigue(const MWMechanics::DynamicStat<float>& value)
     {
         mFatigue->setValue(value.getCurrent(), value.getModified());
-        std::string valStr =  boost::lexical_cast<std::string>(value.getCurrent()) + "/" + boost::lexical_cast<std::string>(value.getModified());
+        std::string valStr =  MyGUI::utility::toString(value.getCurrent()) + "/" + MyGUI::utility::toString(value.getModified());
         mFatigue->setUserString("Caption_HealthDescription", "#{sFatDesc}\n" + valStr);
     }
 
@@ -183,7 +181,7 @@ namespace MWGui
         if (widget)
         {
             float modified = value.getModified(), base = value.getBase();
-            std::string text = boost::lexical_cast<std::string>(std::floor(modified));
+            std::string text = MyGUI::utility::toString(std::floor(modified));
             std::string state = "normal";
             if (modified > base)
                 state = "increased";
@@ -303,7 +301,7 @@ namespace MWGui
                 state = "increased";
             else if (modified < base)
                 state = "decreased";
-            MyGUI::TextBox* widget = addValueItem(MWBase::Environment::get().getWindowManager()->getGameSettingString(skillNameId, skillNameId), boost::lexical_cast<std::string>(static_cast<int>(modified)), state, coord1, coord2);
+            MyGUI::TextBox* widget = addValueItem(MWBase::Environment::get().getWindowManager()->getGameSettingString(skillNameId, skillNameId), MyGUI::utility::toString(static_cast<int>(modified)), state, coord1, coord2);
 
             for (int i=0; i<2; ++i)
             {
diff --git a/apps/openmw/mwgui/settingswindow.cpp b/apps/openmw/mwgui/settingswindow.cpp
index f170559b0..f8741a67a 100644
--- a/apps/openmw/mwgui/settingswindow.cpp
+++ b/apps/openmw/mwgui/settingswindow.cpp
@@ -9,7 +9,6 @@
 #include <MyGUI_ScrollView.h>
 #include <MyGUI_Gui.h>
 
-#include <boost/lexical_cast.hpp>
 #include <boost/algorithm/string.hpp>
 #include <boost/math/common_factor_rt.hpp>
 
@@ -54,8 +53,8 @@ namespace
         assert (split.size() >= 2);
         boost::trim(split[0]);
         boost::trim(split[1]);
-        x = boost::lexical_cast<int> (split[0]);
-        y = boost::lexical_cast<int> (split[1]);
+        x = MyGUI::utility::parseInt (split[0]);
+        y = MyGUI::utility::parseInt (split[1]);
     }
 
     bool sortResolutions (std::pair<int, int> left, std::pair<int, int> right)
@@ -73,7 +72,7 @@ namespace
         // special case: 8 : 5 is usually referred to as 16:10
         if (xaspect == 8 && yaspect == 5)
             return "16 : 10";
-        return boost::lexical_cast<std::string>(xaspect) + " : " + boost::lexical_cast<std::string>(yaspect);
+        return MyGUI::utility::toString(xaspect) + " : " + MyGUI::utility::toString(yaspect);
     }
 
     std::string hlslGlsl ()
@@ -111,9 +110,9 @@ namespace
         min = 0.f;
         max = 1.f;
         if (!widget->getUserString(settingMin).empty())
-            min = boost::lexical_cast<float>(widget->getUserString(settingMin));
+            min = MyGUI::utility::parseFloat(widget->getUserString(settingMin));
         if (!widget->getUserString(settingMax).empty())
-            max = boost::lexical_cast<float>(widget->getUserString(settingMax));
+            max = MyGUI::utility::parseFloat(widget->getUserString(settingMax));
     }
 }
 
@@ -230,7 +229,7 @@ namespace MWGui
         for (std::vector < std::pair<int, int> >::const_iterator it=resolutions.begin();
              it!=resolutions.end(); ++it)
         {
-            std::string str = boost::lexical_cast<std::string>(it->first) + " x " + boost::lexical_cast<std::string>(it->second)
+            std::string str = MyGUI::utility::toString(it->first) + " x " + MyGUI::utility::toString(it->second)
                     + " (" + getAspect(it->first,it->second) + ")";
 
             if (mResolutionList->findItemIndexWith(str) == MyGUI::ITEM_NONE)
@@ -239,7 +238,7 @@ namespace MWGui
 
         std::string tf = Settings::Manager::getString("texture filtering", "General");
         mTextureFilteringButton->setCaption(textureFilteringToStr(tf));
-        mAnisotropyLabel->setCaption("Anisotropy (" + boost::lexical_cast<std::string>(Settings::Manager::getInt("anisotropy", "General")) + ")");
+        mAnisotropyLabel->setCaption("Anisotropy (" + MyGUI::utility::toString(Settings::Manager::getInt("anisotropy", "General")) + ")");
 
         mShadowsTextureSize->setCaption (Settings::Manager::getString ("texture size", "Shadows"));
 
@@ -255,11 +254,11 @@ namespace MWGui
 
         MyGUI::TextBox* fovText;
         getWidget(fovText, "FovText");
-        fovText->setCaption("Field of View (" + boost::lexical_cast<std::string>(int(Settings::Manager::getInt("field of view", "General"))) + ")");
+        fovText->setCaption("Field of View (" + MyGUI::utility::toString(int(Settings::Manager::getInt("field of view", "General"))) + ")");
 
         MyGUI::TextBox* diffText;
         getWidget(diffText, "DifficultyText");
-        diffText->setCaptionWithReplacing("#{sDifficulty} (" + boost::lexical_cast<std::string>(int(Settings::Manager::getInt("difficulty", "Game"))) + ")");
+        diffText->setCaptionWithReplacing("#{sDifficulty} (" + MyGUI::utility::toString(int(Settings::Manager::getInt("difficulty", "Game"))) + ")");
 
         mWindowBorderButton->setEnabled(!Settings::Manager::getBool("fullscreen", "Video"));
     }
@@ -431,13 +430,13 @@ namespace MWGui
                 {
                     MyGUI::TextBox* fovText;
                     getWidget(fovText, "FovText");
-                    fovText->setCaption("Field of View (" + boost::lexical_cast<std::string>(int(value)) + ")");
+                    fovText->setCaption("Field of View (" + MyGUI::utility::toString(int(value)) + ")");
                 }
                 if (scroller == mDifficultySlider)
                 {
                     MyGUI::TextBox* diffText;
                     getWidget(diffText, "DifficultyText");
-                    diffText->setCaptionWithReplacing("#{sDifficulty} (" + boost::lexical_cast<std::string>(int(value)) + ")");
+                    diffText->setCaptionWithReplacing("#{sDifficulty} (" + MyGUI::utility::toString(int(value)) + ")");
                 }
             }
             else
@@ -445,7 +444,7 @@ namespace MWGui
                 Settings::Manager::setInt(getSettingName(scroller), getSettingCategory(scroller), pos);
                 if (scroller == mAnisotropySlider)
                 {
-                    mAnisotropyLabel->setCaption("Anisotropy (" + boost::lexical_cast<std::string>(pos) + ")");
+                    mAnisotropyLabel->setCaption("Anisotropy (" + MyGUI::utility::toString(pos) + ")");
                 }
             }
             apply();
diff --git a/apps/openmw/mwgui/spellbuyingwindow.cpp b/apps/openmw/mwgui/spellbuyingwindow.cpp
index 9c3534d4a..54094b606 100644
--- a/apps/openmw/mwgui/spellbuyingwindow.cpp
+++ b/apps/openmw/mwgui/spellbuyingwindow.cpp
@@ -1,7 +1,5 @@
 #include "spellbuyingwindow.hpp"
 
-#include <boost/lexical_cast.hpp>
-
 #include <MyGUI_Gui.h>
 #include <MyGUI_Button.h>
 #include <MyGUI_ScrollView.h>
@@ -69,7 +67,7 @@ namespace MWGui
         mCurrentY += sLineHeight;
 
         toAdd->setUserData(price);
-        toAdd->setCaptionWithReplacing(spell->mName+"   -   "+boost::lexical_cast<std::string>(price)+"#{sgp}");
+        toAdd->setCaptionWithReplacing(spell->mName+"   -   "+MyGUI::utility::toString(price)+"#{sgp}");
         toAdd->setSize(toAdd->getTextSize().width,sLineHeight);
         toAdd->eventMouseWheel += MyGUI::newDelegate(this, &SpellBuyingWindow::onMouseWheel);
         toAdd->setUserString("ToolTipType", "Spell");
@@ -170,7 +168,7 @@ namespace MWGui
         MWWorld::Ptr player = MWBase::Environment::get().getWorld()->getPlayerPtr();
         int playerGold = player.getClass().getContainerStore(player).count(MWWorld::ContainerStore::sGoldId);
 
-        mPlayerGold->setCaptionWithReplacing("#{sGold}: " + boost::lexical_cast<std::string>(playerGold));
+        mPlayerGold->setCaptionWithReplacing("#{sGold}: " + MyGUI::utility::toString(playerGold));
         mPlayerGold->setCoord(8,
                               mPlayerGold->getTop(),
                               mPlayerGold->getTextSize().width,
diff --git a/apps/openmw/mwgui/spellcreationdialog.cpp b/apps/openmw/mwgui/spellcreationdialog.cpp
index 275762d15..1ff379c0b 100644
--- a/apps/openmw/mwgui/spellcreationdialog.cpp
+++ b/apps/openmw/mwgui/spellcreationdialog.cpp
@@ -1,7 +1,5 @@
 #include "spellcreationdialog.hpp"
 
-#include <boost/lexical_cast.hpp>
-
 #include <MyGUI_ImageBox.h>
 #include <MyGUI_Gui.h>
 
@@ -269,7 +267,7 @@ namespace MWGui
 
     void EditEffectDialog::onMagnitudeMinChanged (MyGUI::ScrollBar* sender, size_t pos)
     {
-        mMagnitudeMinValue->setCaption(boost::lexical_cast<std::string>(pos+1));
+        mMagnitudeMinValue->setCaption(MyGUI::utility::toString(pos+1));
         mEffect.mMagnMin = pos+1;
 
         // trigger the check again (see below)
@@ -289,21 +287,21 @@ namespace MWGui
 
         mEffect.mMagnMax = pos+1;
 
-        mMagnitudeMaxValue->setCaption("- " + boost::lexical_cast<std::string>(pos+1));
+        mMagnitudeMaxValue->setCaption("- " + MyGUI::utility::toString(pos+1));
 
         eventEffectModified(mEffect);
     }
 
     void EditEffectDialog::onDurationChanged (MyGUI::ScrollBar* sender, size_t pos)
     {
-        mDurationValue->setCaption(boost::lexical_cast<std::string>(pos+1));
+        mDurationValue->setCaption(MyGUI::utility::toString(pos+1));
         mEffect.mDuration = pos+1;
         eventEffectModified(mEffect);
     }
 
     void EditEffectDialog::onAreaChanged (MyGUI::ScrollBar* sender, size_t pos)
     {
-        mAreaValue->setCaption(boost::lexical_cast<std::string>(pos));
+        mAreaValue->setCaption(MyGUI::utility::toString(pos));
         mEffect.mArea = pos;
         eventEffectModified(mEffect);
     }
@@ -365,7 +363,7 @@ namespace MWGui
         MWWorld::Ptr player = MWBase::Environment::get().getWorld()->getPlayerPtr();
         int playerGold = player.getClass().getContainerStore(player).count(MWWorld::ContainerStore::sGoldId);
 
-        if (boost::lexical_cast<int>(mPriceLabel->getCaption()) > playerGold)
+        if (MyGUI::utility::parseInt(mPriceLabel->getCaption()) > playerGold)
         {
             MWBase::Environment::get().getWindowManager()->messageBox ("#{sNotifyMessage18}");
             return;
@@ -373,7 +371,7 @@ namespace MWGui
 
         mSpell.mName = mNameEdit->getCaption();
 
-        int price = boost::lexical_cast<int>(mPriceLabel->getCaption());
+        int price = MyGUI::utility::parseInt(mPriceLabel->getCaption());
 
         player.getClass().getContainerStore(player).remove(MWWorld::ContainerStore::sGoldId, price, player);
 
@@ -451,17 +449,17 @@ namespace MWGui
         mSpell.mData.mType = ESM::Spell::ST_Spell;
         mSpell.mData.mFlags = 0;
 
-        mMagickaCost->setCaption(boost::lexical_cast<std::string>(int(y)));
+        mMagickaCost->setCaption(MyGUI::utility::toString(int(y)));
 
         float fSpellMakingValueMult =
             store.get<ESM::GameSetting>().find("fSpellMakingValueMult")->getFloat();
 
         int price = MWBase::Environment::get().getMechanicsManager()->getBarterOffer(mPtr,int(y) * fSpellMakingValueMult,true);
 
-        mPriceLabel->setCaption(boost::lexical_cast<std::string>(int(price)));
+        mPriceLabel->setCaption(MyGUI::utility::toString(int(price)));
 
         float chance = MWMechanics::getSpellSuccessChance(&mSpell, MWBase::Environment::get().getWorld()->getPlayerPtr());
-        mSuccessChance->setCaption(boost::lexical_cast<std::string>(int(chance)));
+        mSuccessChance->setCaption(MyGUI::utility::toString(int(chance)));
     }
 
     // ------------------------------------------------------------------------------------------------
diff --git a/apps/openmw/mwgui/spellicons.cpp b/apps/openmw/mwgui/spellicons.cpp
index 7edc6c8da..20c6f3ba8 100644
--- a/apps/openmw/mwgui/spellicons.cpp
+++ b/apps/openmw/mwgui/spellicons.cpp
@@ -3,8 +3,6 @@
 #include <sstream>
 #include <iomanip>
 
-#include <boost/lexical_cast.hpp>
-
 #include <MyGUI_ImageBox.h>
 
 #include <components/esm/loadmgef.hpp>
@@ -117,7 +115,7 @@ namespace MWGui
                 }
                 else if ( displayType != ESM::MagicEffect::MDT_None )
                 {
-                    sourcesDescription += ": " + boost::lexical_cast<std::string>(effectIt->mMagnitude);
+                    sourcesDescription += ": " + MyGUI::utility::toString(effectIt->mMagnitude);
 
                     if ( displayType == ESM::MagicEffect::MDT_Percentage )
                         sourcesDescription += MWBase::Environment::get().getWindowManager()->getGameSettingString("spercent", "");
diff --git a/apps/openmw/mwgui/statswindow.cpp b/apps/openmw/mwgui/statswindow.cpp
index e565b6f0e..b5abf91fd 100644
--- a/apps/openmw/mwgui/statswindow.cpp
+++ b/apps/openmw/mwgui/statswindow.cpp
@@ -6,8 +6,6 @@
 #include <MyGUI_ImageBox.h>
 #include <MyGUI_Gui.h>
 
-#include <boost/lexical_cast.hpp>
-
 #include "../mwbase/environment.hpp"
 #include "../mwbase/world.hpp"
 #include "../mwbase/windowmanager.hpp"
@@ -151,7 +149,7 @@ namespace MWGui
 
         // health, magicka, fatigue tooltip
         MyGUI::Widget* w;
-        std::string valStr =  boost::lexical_cast<std::string>(current) + "/" + boost::lexical_cast<std::string>(modified);
+        std::string valStr =  MyGUI::utility::toString(current) + "/" + MyGUI::utility::toString(modified);
         if (id == "HBar")
         {
             getWidget(w, "Health");
@@ -196,7 +194,7 @@ namespace MWGui
         if (widget)
         {
             int modified = value.getModified(), base = value.getBase();
-            std::string text = boost::lexical_cast<std::string>(modified);
+            std::string text = MyGUI::utility::toString(modified);
             std::string state = "normal";
             if (modified > base)
                 state = "increased";
@@ -245,10 +243,10 @@ namespace MWGui
         {
             int max = MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>().find("iLevelUpTotal")->getInt();
             getWidget(levelWidget, i==0 ? "Level_str" : "LevelText");
-            levelWidget->setUserString("RangePosition_LevelProgress", boost::lexical_cast<std::string>(PCstats.getLevelProgress()));
-            levelWidget->setUserString("Range_LevelProgress", boost::lexical_cast<std::string>(max));
-            levelWidget->setUserString("Caption_LevelProgressText", boost::lexical_cast<std::string>(PCstats.getLevelProgress()) + "/"
-                                       + boost::lexical_cast<std::string>(max));
+            levelWidget->setUserString("RangePosition_LevelProgress", MyGUI::utility::toString(PCstats.getLevelProgress()));
+            levelWidget->setUserString("Range_LevelProgress", MyGUI::utility::toString(max));
+            levelWidget->setUserString("Caption_LevelProgressText", MyGUI::utility::toString(PCstats.getLevelProgress()) + "/"
+                                       + MyGUI::utility::toString(max));
         }
 
         setFactions(PCstats.getFactionRanks());
@@ -403,7 +401,7 @@ namespace MWGui
             else if (modified < base)
                 state = "decreased";
             MyGUI::TextBox* widget = addValueItem(MWBase::Environment::get().getWindowManager()->getGameSettingString(skillNameId, skillNameId),
-                boost::lexical_cast<std::string>(static_cast<int>(modified)), state, coord1, coord2);
+                MyGUI::utility::toString(static_cast<int>(modified)), state, coord1, coord2);
 
             for (int i=0; i<2; ++i)
             {
@@ -421,9 +419,9 @@ namespace MWGui
                     mSkillWidgets[mSkillWidgets.size()-1-i]->setUserString("Visible_SkillProgressVBox", "true");
                     mSkillWidgets[mSkillWidgets.size()-1-i]->setUserString("UserData^Hidden_SkillProgressVBox", "false");
 
-                    mSkillWidgets[mSkillWidgets.size()-1-i]->setUserString("Caption_SkillProgressText", boost::lexical_cast<std::string>(progressPercent)+"/100");
+                    mSkillWidgets[mSkillWidgets.size()-1-i]->setUserString("Caption_SkillProgressText", MyGUI::utility::toString(progressPercent)+"/100");
                     mSkillWidgets[mSkillWidgets.size()-1-i]->setUserString("Range_SkillProgress", "100");
-                    mSkillWidgets[mSkillWidgets.size()-1-i]->setUserString("RangePosition_SkillProgress", boost::lexical_cast<std::string>(progressPercent));
+                    mSkillWidgets[mSkillWidgets.size()-1-i]->setUserString("RangePosition_SkillProgress", MyGUI::utility::toString(progressPercent));
                 } else {
                     mSkillWidgets[mSkillWidgets.size()-1-i]->setUserString("Visible_SkillMaxed", "true");
                     mSkillWidgets[mSkillWidgets.size()-1-i]->setUserString("UserData^Hidden_SkillMaxed", "false");
@@ -534,8 +532,8 @@ namespace MWGui
                         const ESM::Attribute* attr1 = store.get<ESM::Attribute>().find(faction->mData.mAttribute[0]);
                         const ESM::Attribute* attr2 = store.get<ESM::Attribute>().find(faction->mData.mAttribute[1]);
 
-                        text += "\n#{fontcolourhtml=normal}#{" + attr1->mName + "}: " + boost::lexical_cast<std::string>(rankData.mAttribute1)
-                                + ", #{" + attr2->mName + "}: " + boost::lexical_cast<std::string>(rankData.mAttribute2);
+                        text += "\n#{fontcolourhtml=normal}#{" + attr1->mName + "}: " + MyGUI::utility::toString(rankData.mAttribute1)
+                                + ", #{" + attr2->mName + "}: " + MyGUI::utility::toString(rankData.mAttribute2);
 
                         text += "\n\n#{fontcolourhtml=header}#{sFavoriteSkills}";
                         text += "\n#{fontcolourhtml=normal}";
@@ -556,9 +554,9 @@ namespace MWGui
                         text += "\n";
 
                         if (rankData.mSkill1 > 0)
-                            text += "\n#{sNeedOneSkill} " + boost::lexical_cast<std::string>(rankData.mSkill1);
+                            text += "\n#{sNeedOneSkill} " + MyGUI::utility::toString(rankData.mSkill1);
                         if (rankData.mSkill2 > 0)
-                            text += "\n#{sNeedTwoSkills} " + boost::lexical_cast<std::string>(rankData.mSkill2);
+                            text += "\n#{sNeedTwoSkills} " + MyGUI::utility::toString(rankData.mSkill2);
                     }
                 }
 
@@ -587,7 +585,7 @@ namespace MWGui
             addSeparator(coord1, coord2);
 
         addValueItem(MWBase::Environment::get().getWindowManager()->getGameSettingString("sReputation", "Reputation"),
-                    boost::lexical_cast<std::string>(static_cast<int>(mReputation)), "normal", coord1, coord2);
+                    MyGUI::utility::toString(static_cast<int>(mReputation)), "normal", coord1, coord2);
 
         for (int i=0; i<2; ++i)
         {
@@ -597,7 +595,7 @@ namespace MWGui
         }
 
         addValueItem(MWBase::Environment::get().getWindowManager()->getGameSettingString("sBounty", "Bounty"),
-                    boost::lexical_cast<std::string>(static_cast<int>(mBounty)), "normal", coord1, coord2);
+                    MyGUI::utility::toString(static_cast<int>(mBounty)), "normal", coord1, coord2);
 
         for (int i=0; i<2; ++i)
         {
diff --git a/apps/openmw/mwgui/tooltips.cpp b/apps/openmw/mwgui/tooltips.cpp
index 3f3540a21..303b8819f 100644
--- a/apps/openmw/mwgui/tooltips.cpp
+++ b/apps/openmw/mwgui/tooltips.cpp
@@ -7,8 +7,6 @@
 #include <MyGUI_InputManager.h>
 #include <MyGUI_ImageBox.h>
 
-#include <boost/lexical_cast.hpp>
-
 #include <components/misc/resourcehelpers.hpp>
 
 #include "../mwbase/world.hpp"
@@ -556,7 +554,7 @@ namespace MWGui
         if (value == 1)
             return "";
         else
-            return " (" + boost::lexical_cast<std::string>(value) + ")";
+            return " (" + MyGUI::utility::toString(value) + ")";
     }
 
     std::string ToolTips::getCellRefString(const MWWorld::CellRef& cellref)
diff --git a/apps/openmw/mwgui/trainingwindow.cpp b/apps/openmw/mwgui/trainingwindow.cpp
index fc9167f3c..88ba62cc1 100644
--- a/apps/openmw/mwgui/trainingwindow.cpp
+++ b/apps/openmw/mwgui/trainingwindow.cpp
@@ -1,7 +1,5 @@
 #include "trainingwindow.hpp"
 
-#include <boost/lexical_cast.hpp>
-
 #include <MyGUI_Gui.h>
 
 #include "../mwbase/windowmanager.hpp"
@@ -67,7 +65,7 @@ namespace MWGui
         MWWorld::Ptr player = MWBase::Environment::get().getWorld()->getPlayerPtr();
         int playerGold = player.getClass().getContainerStore(player).count(MWWorld::ContainerStore::sGoldId);
 
-        mPlayerGold->setCaptionWithReplacing("#{sGold}: " + boost::lexical_cast<std::string>(playerGold));
+        mPlayerGold->setCaptionWithReplacing("#{sGold}: " + MyGUI::utility::toString(playerGold));
 
         MWMechanics::NpcStats& npcStats = actor.getClass().getNpcStats (actor);
 
@@ -102,7 +100,7 @@ namespace MWGui
             button->setUserData(skills[i].first);
             button->eventMouseButtonClick += MyGUI::newDelegate(this, &TrainingWindow::onTrainingSelected);
 
-            button->setCaptionWithReplacing("#{" + ESM::Skill::sSkillNameIds[skills[i].first] + "} - " + boost::lexical_cast<std::string>(price));
+            button->setCaptionWithReplacing("#{" + ESM::Skill::sSkillNameIds[skills[i].first] + "} - " + MyGUI::utility::toString(price));
 
             button->setSize(button->getTextSize ().width+12, button->getSize().height);
 
diff --git a/apps/openmw/mwgui/travelwindow.cpp b/apps/openmw/mwgui/travelwindow.cpp
index 3d37d0ab0..50e08223e 100644
--- a/apps/openmw/mwgui/travelwindow.cpp
+++ b/apps/openmw/mwgui/travelwindow.cpp
@@ -1,7 +1,5 @@
 #include "travelwindow.hpp"
 
-#include <boost/lexical_cast.hpp>
-
 #include <MyGUI_Button.h>
 #include <MyGUI_ScrollView.h>
 #include <MyGUI_Gui.h>
@@ -91,7 +89,7 @@ namespace MWGui
         oss << price;
         toAdd->setUserString("price",oss.str());
 
-        toAdd->setCaptionWithReplacing("#{sCell=" + name + "}   -   " + boost::lexical_cast<std::string>(price)+"#{sgp}");
+        toAdd->setCaptionWithReplacing("#{sCell=" + name + "}   -   " + MyGUI::utility::toString(price)+"#{sgp}");
         toAdd->setSize(toAdd->getTextSize().width,sLineHeight);
         toAdd->eventMouseWheel += MyGUI::newDelegate(this, &TravelWindow::onMouseWheel);
         toAdd->setUserString("Destination", name);
@@ -196,7 +194,7 @@ namespace MWGui
         MWWorld::Ptr player = MWBase::Environment::get().getWorld ()->getPlayerPtr();
         int playerGold = player.getClass().getContainerStore(player).count(MWWorld::ContainerStore::sGoldId);
 
-        mPlayerGold->setCaptionWithReplacing("#{sGold}: " + boost::lexical_cast<std::string>(playerGold));
+        mPlayerGold->setCaptionWithReplacing("#{sGold}: " + MyGUI::utility::toString(playerGold));
         mPlayerGold->setCoord(8,
                               mPlayerGold->getTop(),
                               mPlayerGold->getTextSize().width,
diff --git a/apps/openmw/mwgui/waitdialog.cpp b/apps/openmw/mwgui/waitdialog.cpp
index 6f87bffe0..c53a887c9 100644
--- a/apps/openmw/mwgui/waitdialog.cpp
+++ b/apps/openmw/mwgui/waitdialog.cpp
@@ -1,7 +1,5 @@
 #include "waitdialog.hpp"
 
-#include <boost/lexical_cast.hpp>
-
 #include <MyGUI_ProgressBar.h>
 
 #include <components/widgets/box.hpp>
@@ -40,7 +38,7 @@ namespace MWGui
     {
         mProgressBar->setProgressRange (total);
         mProgressBar->setProgressPosition (cur);
-        mProgressText->setCaption(boost::lexical_cast<std::string>(cur) + "/" + boost::lexical_cast<std::string>(total));
+        mProgressText->setCaption(MyGUI::utility::toString(cur) + "/" + MyGUI::utility::toString(total));
     }
 
     // ---------------------------------------------------------------------------------------------------------
@@ -106,9 +104,9 @@ namespace MWGui
         if (hour == 0) hour = 12;
 
         std::string dateTimeText =
-                boost::lexical_cast<std::string>(MWBase::Environment::get().getWorld ()->getDay ()) + " "
-                + month + " (#{sDay} " + boost::lexical_cast<std::string>(MWBase::Environment::get().getWorld ()->getTimeStamp ().getDay())
-                + ") " + boost::lexical_cast<std::string>(hour) + " " + (pm ? "#{sSaveMenuHelp05}" : "#{sSaveMenuHelp04}");
+                MyGUI::utility::toString(MWBase::Environment::get().getWorld ()->getDay ()) + " "
+                + month + " (#{sDay} " + MyGUI::utility::toString(MWBase::Environment::get().getWorld ()->getTimeStamp ().getDay())
+                + ") " + MyGUI::utility::toString(hour) + " " + (pm ? "#{sSaveMenuHelp05}" : "#{sSaveMenuHelp04}");
 
         mDateTimeText->setCaptionWithReplacing (dateTimeText);
     }
@@ -174,7 +172,7 @@ namespace MWGui
 
     void WaitDialog::onHourSliderChangedPosition(MyGUI::ScrollBar* sender, size_t position)
     {
-        mHourText->setCaptionWithReplacing (boost::lexical_cast<std::string>(position+1) + " #{sRestMenu2}");
+        mHourText->setCaptionWithReplacing (MyGUI::utility::toString(position+1) + " #{sRestMenu2}");
         mManualHours = position+1;
     }
 
diff --git a/apps/openmw/mwgui/widgets.cpp b/apps/openmw/mwgui/widgets.cpp
index 381fc301e..26fe31567 100644
--- a/apps/openmw/mwgui/widgets.cpp
+++ b/apps/openmw/mwgui/widgets.cpp
@@ -3,8 +3,6 @@
 #include <sstream>
 #include <iomanip>
 
-#include <boost/lexical_cast.hpp>
-
 #include <MyGUI_ProgressBar.h>
 #include <MyGUI_ImageBox.h>
 #include <MyGUI_ControllerManager.h>
@@ -74,7 +72,7 @@ namespace MWGui
             if (mSkillValueWidget)
             {
                 SkillValue::Type modified = mValue.getModified(), base = mValue.getBase();
-                mSkillValueWidget->setCaption(boost::lexical_cast<std::string>(modified));
+                mSkillValueWidget->setCaption(MyGUI::utility::toString(modified));
                 if (modified > base)
                     mSkillValueWidget->_setWidgetState("increased");
                 else if (modified < base)
@@ -170,7 +168,7 @@ namespace MWGui
             if (mAttributeValueWidget)
             {
                 int modified = mValue.getModified(), base = mValue.getBase();
-                mAttributeValueWidget->setCaption(boost::lexical_cast<std::string>(modified));
+                mAttributeValueWidget->setCaption(MyGUI::utility::toString(modified));
                 if (modified > base)
                     mAttributeValueWidget->_setWidgetState("increased");
                 else if (modified < base)
@@ -432,9 +430,9 @@ namespace MWGui
                     spellLine += formatter.str();
                 }
                 else if ( displayType != ESM::MagicEffect::MDT_None ) {
-                    spellLine += " " + boost::lexical_cast<std::string>(mEffectParams.mMagnMin);
+                    spellLine += " " + MyGUI::utility::toString(mEffectParams.mMagnMin);
                     if (mEffectParams.mMagnMin != mEffectParams.mMagnMax)
-                        spellLine += to + boost::lexical_cast<std::string>(mEffectParams.mMagnMax);
+                        spellLine += to + MyGUI::utility::toString(mEffectParams.mMagnMax);
 
                     if ( displayType == ESM::MagicEffect::MDT_Percentage )
                         spellLine += pct;
@@ -452,12 +450,12 @@ namespace MWGui
             {
                 if (mEffectParams.mDuration > 0 && !(magicEffect->mData.mFlags & ESM::MagicEffect::NoDuration))
                 {
-                    spellLine += " " + MWBase::Environment::get().getWindowManager()->getGameSettingString("sfor", "") + " " + boost::lexical_cast<std::string>(mEffectParams.mDuration) + ((mEffectParams.mDuration == 1) ? sec : secs);
+                    spellLine += " " + MWBase::Environment::get().getWindowManager()->getGameSettingString("sfor", "") + " " + MyGUI::utility::toString(mEffectParams.mDuration) + ((mEffectParams.mDuration == 1) ? sec : secs);
                 }
 
                 if (mEffectParams.mArea > 0)
                 {
-                    spellLine += " #{sin} " + boost::lexical_cast<std::string>(mEffectParams.mArea) + " #{sfootarea}";
+                    spellLine += " #{sin} " + MyGUI::utility::toString(mEffectParams.mArea) + " #{sfootarea}";
                 }
 
                 // potions have no target