diff --git a/apps/openmw/mwclass/armor.cpp b/apps/openmw/mwclass/armor.cpp
index 64043157d..0f99d91da 100644
--- a/apps/openmw/mwclass/armor.cpp
+++ b/apps/openmw/mwclass/armor.cpp
@@ -245,7 +245,8 @@ namespace MWClass
         else
             typeText = "#{sHeavy}";
 
-        text += "\n#{sArmorRating}: " + MWGui::ToolTips::toString(ref->mBase->mData.mArmor);
+        text += "\n#{sArmorRating}: " + MWGui::ToolTips::toString(getEffectiveArmorRating(ptr,
+            MWBase::Environment::get().getWorld()->getPlayerPtr()));
 
         int remainingHealth = getItemHealth(ptr);
         text += "\n#{sCondition}: " + MWGui::ToolTips::toString(remainingHealth) + "/"
@@ -290,6 +291,22 @@ namespace MWClass
         return record->mId;
     }
 
+    int Armor::getEffectiveArmorRating(const MWWorld::Ptr &ptr, const MWWorld::Ptr &actor) const
+    {
+        MWWorld::LiveCellRef<ESM::Armor> *ref = ptr.get<ESM::Armor>();
+
+        int armorSkillType = getEquipmentSkill(ptr);
+        int armorSkill = actor.getClass().getSkill(actor, armorSkillType);
+
+        const MWBase::World *world = MWBase::Environment::get().getWorld();
+        int iBaseArmorSkill = world->getStore().get<ESM::GameSetting>().find("iBaseArmorSkill")->getInt();
+
+        if(ref->mBase->mData.mWeight == 0)
+            return ref->mBase->mData.mArmor;
+        else
+            return ref->mBase->mData.mArmor * armorSkill / iBaseArmorSkill;
+    }
+
     std::pair<int, std::string> Armor::canBeEquipped(const MWWorld::Ptr &ptr, const MWWorld::Ptr &npc) const
     {
         MWWorld::InventoryStore& invStore = npc.getClass().getInventoryStore(npc);
diff --git a/apps/openmw/mwclass/armor.hpp b/apps/openmw/mwclass/armor.hpp
index 8c8e74cf4..21d711a0d 100644
--- a/apps/openmw/mwclass/armor.hpp
+++ b/apps/openmw/mwclass/armor.hpp
@@ -86,6 +86,9 @@ namespace MWClass
             virtual int getEnchantmentPoints (const MWWorld::Ptr& ptr) const;
 
             virtual bool canSell (const MWWorld::Ptr& item, int npcServices) const;
+
+            /// Get the effective armor rating, factoring in the actor's skills, for the given armor.
+            virtual int getEffectiveArmorRating(const MWWorld::Ptr& ptr, const MWWorld::Ptr& actor) const;
     };
 }
 
diff --git a/apps/openmw/mwclass/npc.cpp b/apps/openmw/mwclass/npc.cpp
index cedff1291..52e5a0a95 100644
--- a/apps/openmw/mwclass/npc.cpp
+++ b/apps/openmw/mwclass/npc.cpp
@@ -1086,7 +1086,6 @@ namespace MWClass
         MWMechanics::NpcStats &stats = getNpcStats(ptr);
         MWWorld::InventoryStore &invStore = getInventoryStore(ptr);
 
-        int iBaseArmorSkill = store.find("iBaseArmorSkill")->getInt();
         float fUnarmoredBase1 = store.find("fUnarmoredBase1")->getFloat();
         float fUnarmoredBase2 = store.find("fUnarmoredBase2")->getFloat();
         int unarmoredSkill = stats.getSkill(ESM::Skill::Unarmored).getModified();
@@ -1102,15 +1101,7 @@ namespace MWClass
             }
             else
             {
-                MWWorld::LiveCellRef<ESM::Armor> *ref = it->get<ESM::Armor>();
-
-                int armorSkillType = it->getClass().getEquipmentSkill(*it);
-                int armorSkill = stats.getSkill(armorSkillType).getModified();
-
-                if(ref->mBase->mData.mWeight == 0)
-                    ratings[i] = ref->mBase->mData.mArmor;
-                else
-                    ratings[i] = ref->mBase->mData.mArmor * armorSkill / iBaseArmorSkill;
+                ratings[i] = it->getClass().getEffectiveArmorRating(*it, ptr);
             }
         }
 
diff --git a/apps/openmw/mwworld/class.cpp b/apps/openmw/mwworld/class.cpp
index afc5ed635..6fa9ba9b6 100644
--- a/apps/openmw/mwworld/class.cpp
+++ b/apps/openmw/mwworld/class.cpp
@@ -454,4 +454,9 @@ namespace MWWorld
     {
         return -1;
     }
+
+    int Class::getEffectiveArmorRating(const Ptr &ptr, const Ptr &actor) const
+    {
+        throw std::runtime_error("class does not support armor ratings");
+    }
 }
diff --git a/apps/openmw/mwworld/class.hpp b/apps/openmw/mwworld/class.hpp
index 380d2a34b..782aa7815 100644
--- a/apps/openmw/mwworld/class.hpp
+++ b/apps/openmw/mwworld/class.hpp
@@ -347,6 +347,9 @@ namespace MWWorld
 
             virtual std::string getPrimaryFaction (const MWWorld::Ptr& ptr) const;
             virtual int getPrimaryFactionRank (const MWWorld::Ptr& ptr) const;
+
+            /// Get the effective armor rating, factoring in the actor's skills, for the given armor.
+            virtual int getEffectiveArmorRating(const MWWorld::Ptr& ptr, const MWWorld::Ptr& actor) const;
     };
 }