diff --git a/apps/openmw/mwclass/apparatus.cpp b/apps/openmw/mwclass/apparatus.cpp
index 697b755792..53c62273dc 100644
--- a/apps/openmw/mwclass/apparatus.cpp
+++ b/apps/openmw/mwclass/apparatus.cpp
@@ -124,7 +124,7 @@ namespace MWClass
         std::string text;
         text += "\n#{sQuality}: " + MWGui::ToolTips::toString(ref->mBase->mData.mQuality);
         text += "\n#{sWeight}: " + MWGui::ToolTips::toString(ref->mBase->mData.mWeight);
-        text += MWGui::ToolTips::getValueString(ref->mBase->mData.mValue, "#{sValue}");
+        text += MWGui::ToolTips::getValueString(getValue(ptr), "#{sValue}");
 
         if (MWBase::Environment::get().getWindowManager()->getFullHelp()) {
             text += MWGui::ToolTips::getMiscString(ref->mRef.mOwner, "Owner");
diff --git a/apps/openmw/mwclass/armor.cpp b/apps/openmw/mwclass/armor.cpp
index f3f36542a1..5b2b7caa39 100644
--- a/apps/openmw/mwclass/armor.cpp
+++ b/apps/openmw/mwclass/armor.cpp
@@ -172,7 +172,7 @@ namespace MWClass
         if (ptr.getCellRef().mCharge == -1)
             return ref->mBase->mData.mValue;
         else
-            return ref->mBase->mData.mValue * (ptr.getCellRef().mCharge / getItemMaxHealth(ptr));
+            return ref->mBase->mData.mValue * (static_cast<float>(ptr.getCellRef().mCharge) / getItemMaxHealth(ptr));
     }
 
     void Armor::registerSelf()
@@ -248,7 +248,7 @@ namespace MWClass
                 + MWGui::ToolTips::toString(ref->mBase->mData.mHealth);
 
         text += "\n#{sWeight}: " + MWGui::ToolTips::toString(ref->mBase->mData.mWeight) + " (" + typeText + ")";
-        text += MWGui::ToolTips::getValueString(ref->mBase->mData.mValue, "#{sValue}");
+        text += MWGui::ToolTips::getValueString(getValue(ptr), "#{sValue}");
 
         if (MWBase::Environment::get().getWindowManager()->getFullHelp()) {
             text += MWGui::ToolTips::getMiscString(ref->mRef.mOwner, "Owner");
diff --git a/apps/openmw/mwclass/book.cpp b/apps/openmw/mwclass/book.cpp
index b22cbc31fc..1da9209706 100644
--- a/apps/openmw/mwclass/book.cpp
+++ b/apps/openmw/mwclass/book.cpp
@@ -136,7 +136,7 @@ namespace MWClass
         std::string text;
 
         text += "\n#{sWeight}: " + MWGui::ToolTips::toString(ref->mBase->mData.mWeight);
-        text += MWGui::ToolTips::getValueString(ref->mBase->mData.mValue, "#{sValue}");
+        text += MWGui::ToolTips::getValueString(getValue(ptr), "#{sValue}");
 
         if (MWBase::Environment::get().getWindowManager()->getFullHelp()) {
             text += MWGui::ToolTips::getMiscString(ref->mRef.mOwner, "Owner");
diff --git a/apps/openmw/mwclass/clothing.cpp b/apps/openmw/mwclass/clothing.cpp
index 8941f36275..c162bbe9de 100644
--- a/apps/openmw/mwclass/clothing.cpp
+++ b/apps/openmw/mwclass/clothing.cpp
@@ -191,7 +191,7 @@ namespace MWClass
         std::string text;
 
         text += "\n#{sWeight}: " + MWGui::ToolTips::toString(ref->mBase->mData.mWeight);
-        text += MWGui::ToolTips::getValueString(ref->mBase->mData.mValue, "#{sValue}");
+        text += MWGui::ToolTips::getValueString(getValue(ptr), "#{sValue}");
 
         if (MWBase::Environment::get().getWindowManager()->getFullHelp()) {
             text += MWGui::ToolTips::getMiscString(ref->mRef.mOwner, "Owner");
diff --git a/apps/openmw/mwclass/ingredient.cpp b/apps/openmw/mwclass/ingredient.cpp
index 06d9d5d235..4296d4e1b6 100644
--- a/apps/openmw/mwclass/ingredient.cpp
+++ b/apps/openmw/mwclass/ingredient.cpp
@@ -145,7 +145,7 @@ namespace MWClass
         std::string text;
 
         text += "\n#{sWeight}: " + MWGui::ToolTips::toString(ref->mBase->mData.mWeight);
-        text += MWGui::ToolTips::getValueString(ref->mBase->mData.mValue, "#{sValue}");
+        text += MWGui::ToolTips::getValueString(getValue(ptr), "#{sValue}");
 
         if (MWBase::Environment::get().getWindowManager()->getFullHelp()) {
             text += MWGui::ToolTips::getMiscString(ref->mRef.mOwner, "Owner");
diff --git a/apps/openmw/mwclass/light.cpp b/apps/openmw/mwclass/light.cpp
index a031d25563..6a6133cb92 100644
--- a/apps/openmw/mwclass/light.cpp
+++ b/apps/openmw/mwclass/light.cpp
@@ -183,7 +183,7 @@ namespace MWClass
         std::string text;
 
         text += "\n#{sWeight}: " + MWGui::ToolTips::toString(ref->mBase->mData.mWeight);
-        text += MWGui::ToolTips::getValueString(ref->mBase->mData.mValue, "#{sValue}");
+        text += MWGui::ToolTips::getValueString(getValue(ptr), "#{sValue}");
 
         if (MWBase::Environment::get().getWindowManager()->getFullHelp()) {
             text += MWGui::ToolTips::getMiscString(ref->mRef.mOwner, "Owner");
diff --git a/apps/openmw/mwclass/lockpick.cpp b/apps/openmw/mwclass/lockpick.cpp
index 73b47d6af9..e1dc5b2e14 100644
--- a/apps/openmw/mwclass/lockpick.cpp
+++ b/apps/openmw/mwclass/lockpick.cpp
@@ -89,7 +89,7 @@ namespace MWClass
         if (ptr.getCellRef().mCharge == -1)
             return ref->mBase->mData.mValue;
         else
-            return ref->mBase->mData.mValue * (ptr.getCellRef().mCharge / getItemMaxHealth(ptr));
+            return ref->mBase->mData.mValue * (static_cast<float>(ptr.getCellRef().mCharge) / getItemMaxHealth(ptr));
     }
 
     void Lockpick::registerSelf()
@@ -141,7 +141,7 @@ namespace MWClass
         text += "\n#{sUses}: " + MWGui::ToolTips::toString(remainingUses);
         text += "\n#{sQuality}: " + MWGui::ToolTips::toString(ref->mBase->mData.mQuality);
         text += "\n#{sWeight}: " + MWGui::ToolTips::toString(ref->mBase->mData.mWeight);
-        text += MWGui::ToolTips::getValueString(ref->mBase->mData.mValue, "#{sValue}");
+        text += MWGui::ToolTips::getValueString(getValue(ptr), "#{sValue}");
 
         if (MWBase::Environment::get().getWindowManager()->getFullHelp()) {
             text += MWGui::ToolTips::getMiscString(ref->mRef.mOwner, "Owner");
diff --git a/apps/openmw/mwclass/potion.cpp b/apps/openmw/mwclass/potion.cpp
index 883473eb33..e276c58aa5 100644
--- a/apps/openmw/mwclass/potion.cpp
+++ b/apps/openmw/mwclass/potion.cpp
@@ -128,7 +128,7 @@ namespace MWClass
         std::string text;
 
         text += "\n#{sWeight}: " + MWGui::ToolTips::toString(ref->mBase->mData.mWeight);
-        text += MWGui::ToolTips::getValueString(ref->mBase->mData.mValue, "#{sValue}");
+        text += MWGui::ToolTips::getValueString(getValue(ptr), "#{sValue}");
 
         info.effects = MWGui::Widgets::MWEffectList::effectListFromESM(&ref->mBase->mEffects);
 
diff --git a/apps/openmw/mwclass/probe.cpp b/apps/openmw/mwclass/probe.cpp
index 845c2a0d00..b54464acdc 100644
--- a/apps/openmw/mwclass/probe.cpp
+++ b/apps/openmw/mwclass/probe.cpp
@@ -88,7 +88,7 @@ namespace MWClass
         if (ptr.getCellRef().mCharge == -1)
             return ref->mBase->mData.mValue;
         else
-            return ref->mBase->mData.mValue * (ptr.getCellRef().mCharge / getItemMaxHealth(ptr));
+            return ref->mBase->mData.mValue * (static_cast<float>(ptr.getCellRef().mCharge) / getItemMaxHealth(ptr));
     }
 
     void Probe::registerSelf()
@@ -140,7 +140,7 @@ namespace MWClass
         text += "\n#{sUses}: " + MWGui::ToolTips::toString(remainingUses);
         text += "\n#{sQuality}: " + MWGui::ToolTips::toString(ref->mBase->mData.mQuality);
         text += "\n#{sWeight}: " + MWGui::ToolTips::toString(ref->mBase->mData.mWeight);
-        text += MWGui::ToolTips::getValueString(ref->mBase->mData.mValue, "#{sValue}");
+        text += MWGui::ToolTips::getValueString(getValue(ptr), "#{sValue}");
 
         if (MWBase::Environment::get().getWindowManager()->getFullHelp()) {
             text += MWGui::ToolTips::getMiscString(ref->mRef.mOwner, "Owner");
diff --git a/apps/openmw/mwclass/repair.cpp b/apps/openmw/mwclass/repair.cpp
index dbfa9f0f62..ce2b4ff10c 100644
--- a/apps/openmw/mwclass/repair.cpp
+++ b/apps/openmw/mwclass/repair.cpp
@@ -79,7 +79,7 @@ namespace MWClass
         if (ptr.getCellRef().mCharge == -1)
             return ref->mBase->mData.mValue;
         else
-            return ref->mBase->mData.mValue * (ptr.getCellRef().mCharge / getItemMaxHealth(ptr));
+            return ref->mBase->mData.mValue * (static_cast<float>(ptr.getCellRef().mCharge) / getItemMaxHealth(ptr));
     }
 
     void Repair::registerSelf()
@@ -144,7 +144,7 @@ namespace MWClass
         text += "\n#{sUses}: " + MWGui::ToolTips::toString(remainingUses);
         text += "\n#{sQuality}: " + MWGui::ToolTips::toString(ref->mBase->mData.mQuality);
         text += "\n#{sWeight}: " + MWGui::ToolTips::toString(ref->mBase->mData.mWeight);
-        text += MWGui::ToolTips::getValueString(ref->mBase->mData.mValue, "#{sValue}");
+        text += MWGui::ToolTips::getValueString(getValue(ptr), "#{sValue}");
 
         if (MWBase::Environment::get().getWindowManager()->getFullHelp()) {
             text += MWGui::ToolTips::getMiscString(ref->mRef.mOwner, "Owner");
diff --git a/apps/openmw/mwclass/weapon.cpp b/apps/openmw/mwclass/weapon.cpp
index b1bf2b0b7f..a09e83380c 100644
--- a/apps/openmw/mwclass/weapon.cpp
+++ b/apps/openmw/mwclass/weapon.cpp
@@ -157,7 +157,7 @@ namespace MWClass
         if (ptr.getCellRef().mCharge == -1)
             return ref->mBase->mData.mValue;
         else
-            return ref->mBase->mData.mValue * (ptr.getCellRef().mCharge / getItemMaxHealth(ptr));
+            return ref->mBase->mData.mValue * (static_cast<float>(ptr.getCellRef().mCharge) / getItemMaxHealth(ptr));
     }
 
     void Weapon::registerSelf()
@@ -346,7 +346,7 @@ namespace MWClass
         }
 
         text += "\n#{sWeight}: " + MWGui::ToolTips::toString(ref->mBase->mData.mWeight);
-        text += MWGui::ToolTips::getValueString(ref->mBase->mData.mValue, "#{sValue}");
+        text += MWGui::ToolTips::getValueString(getValue(ptr), "#{sValue}");
 
         info.enchant = ref->mBase->mEnchant;