diff --git a/app/assets/javascripts/admin/products/services/unit_prices.js.coffee b/app/assets/javascripts/admin/products/services/unit_prices.js.coffee
new file mode 100644
index 0000000000..0867d8deb8
--- /dev/null
+++ b/app/assets/javascripts/admin/products/services/unit_prices.js.coffee
@@ -0,0 +1,25 @@
+angular.module("admin.products").factory "UnitPrices", (VariantUnitManager) ->
+  class UnitPrices
+    @price: (price, scale, unit_type, unit_value) ->
+      price / @denominator(unit_value, variant_unit)
+
+    @denominator: (scale, unit_type, unit_value) ->
+      unit = @unit(scale, unit_type)
+      if unit == "lb"
+        unit_value / 453.6
+      else if unit == "kg"
+        unit_value / 1000
+      else
+        unit_value
+
+    @unit: (scale, unit_type, variant_unit_name = '') ->
+      if VariantUnitManager.systemOfMeasurement(scale, unit_type) == "imperial"
+        "lb"
+      else if unit_type == "weight"
+        "kg"
+      else if unit_type == "volume"
+        "L"
+      else if variant_unit_name.length > 0
+        variant_unit_name
+      else
+        "item"
diff --git a/app/assets/javascripts/admin/products/services/variant_unit_manager.js.coffee b/app/assets/javascripts/admin/products/services/variant_unit_manager.js.coffee
index 7875347ac8..31a3a14bd9 100644
--- a/app/assets/javascripts/admin/products/services/variant_unit_manager.js.coffee
+++ b/app/assets/javascripts/admin/products/services/variant_unit_manager.js.coffee
@@ -67,3 +67,9 @@ angular.module("admin.products").factory "VariantUnitManager", (availableUnits)
       scaleSystem = @units[unitType][scale]['system']
       (parseFloat(scale) for scale, scaleInfo of @units[unitType] when scaleInfo['system'] == scaleSystem).sort (a, b) ->
          a - b
+
+    @systemOfMeasurement: (scale, unitType) ->
+      if @units[unitType][scale]
+        @units[unitType][scale]['system']
+      else
+        'custom'