diff --git a/product_configurator/models/product_attribute.py b/product_configurator/models/product_attribute.py
index 6fd8c22d..b9a75069 100644
--- a/product_configurator/models/product_attribute.py
+++ b/product_configurator/models/product_attribute.py
@@ -36,6 +36,12 @@ def onchange_custom_type(self):
     def onchange_val_custom_field(self):
         if not self.val_custom:
             self.custom_type = False
+            self.quantity = False
+
+    @api.onchange('quantity')
+    def onchange_quantity(self):
+        if self.quantity:
+            self.custom_type = "int"
 
     CUSTOM_TYPES = [
         ('char', 'Char'),
@@ -101,7 +107,10 @@ def onchange_val_custom_field(self):
         "when there is no available attribute values, in the configuration "
         "interface"
     )
-
+    quantity = fields.Boolean(string="Quantity")
+    attr_product_id = fields.Many2one(
+        comodel_name="product.product", string="Product"
+    )
     # TODO prevent the same attribute from being defined twice on the
     # attribute lines
 
@@ -166,6 +175,8 @@ def onchange_attribute(self):
         self.multi = self.attribute_id.multi
         self.custom = self.attribute_id.val_custom
         self.hide = self.attribute_id.hide
+        self.quantity = self.attribute_id.quantity
+        self.attr_product_id = self.attribute_id.attr_product_id
         # TODO: Remove all dependencies pointed towards the attribute being
         # changed
 
@@ -202,9 +213,19 @@ def onchange_values(self):
         "when there is no available attribute values, in the configuration "
         "interface"
     )
+    quantity = fields.Boolean(string="Quantity")
     # TODO: Constraint not allowing introducing dependencies that do not exist
     # on the product.template
 
+    @api.onchange('custom')
+    def onchange_custom_field(self):
+        if not self.custom:
+            self.quantity = False
+            self.attr_product_id = False
+        else:
+            self.quantity = self.attribute_id.quantity
+            self.attr_product_id = self.attribute_id.attr_product_id
+
     def _search_product_template_value_ids(self, operator, value):
         return [('id', operator, value)]
 
diff --git a/product_configurator/models/product_config.py b/product_configurator/models/product_config.py
index 5d8a00f5..99bae6fe 100644
--- a/product_configurator/models/product_config.py
+++ b/product_configurator/models/product_config.py
@@ -819,7 +819,7 @@ def get_cfg_price(self, value_ids=None, custom_vals=None):
             value_ids = self.value_ids.ids
 
         if custom_vals is None:
-            custom_vals = {}
+            custom_vals = self._get_custom_vals_dict()
 
         product_tmpl = self.product_tmpl_id
         self = self.with_context({'active_id': product_tmpl.id})
@@ -834,7 +834,23 @@ def get_cfg_price(self, value_ids=None, custom_vals=None):
             pt_attr_value_ids=av_ids,
         )
         price_extra = sum(extra_prices.values())
-        return product_tmpl.list_price + price_extra
+
+        pricelist = self.env.context.get("pricelist")
+        if pricelist:
+            pricelist = self.env["product.pricelist"].browse(pricelist)
+        else:
+            pricelist = self.env.user.partner_id.property_product_pricelist
+        custom_vals_price = 0
+        for attribute, custom_val in custom_vals.items():
+            attribute_id = self.env["product.attribute"].browse(attribute)
+            if attribute_id.quantity and attribute_id.attr_product_id:
+                custom_vals_price += (
+                    attribute_id.attr_product_id.with_context(
+                        pricelist=pricelist.id
+                    ).price * custom_val
+                )
+
+        return product_tmpl.list_price + price_extra + custom_vals_price
 
     def _get_config_image(
             self, value_ids=None, custom_vals=None, size=None):
diff --git a/product_configurator/views/product_attribute_view.xml b/product_configurator/views/product_attribute_view.xml
index e4d66f37..e61e4991 100644
--- a/product_configurator/views/product_attribute_view.xml
+++ b/product_configurator/views/product_attribute_view.xml
@@ -70,9 +70,11 @@
                                 <field name="required"/>
                                 <field name="multi" attrs="{'readonly': [('val_custom','=',True)]}" force_save="1"/>
                                 <field name="val_custom" attrs="{'readonly': [('multi', '=', True)]}" force_save="1"/>
+                                <field name="quantity" attrs="{'invisible': [('val_custom', '=', False)], 'required': [('val_custom', '!=', False)]}"/>
                             </group>
                             <group>
                                 <field name="uom_id"/>
+                                <field name="attr_product_id" attrs="{'invisible': [('quantity', '=', False)]}"/>
                             </group>
                             <field name="description" colspan="4"/>
                         </group>
@@ -80,7 +82,7 @@
                     <page string="Custom Values" attrs="{'invisible': [('val_custom', '!=', True)]}" groups="product_configurator.group_product_configurator_manager">
                         <group>
                             <group>
-                                <field name="custom_type"/>
+                                <field name="custom_type" attrs="{'readonly': [('quantity', '=', True)]}" force_save="1"/>
                                 <field name="min_val" attrs="{'invisible': [('custom_type','not in',['int','float'])]}"/>
                                 <field name="max_val" attrs="{'invisible': [('custom_type','not in',['int','float'])]}"/>
                             </group>