diff --git a/app/controllers/products_controller.rb b/app/controllers/products_controller.rb
index 961ea70..747d3f1 100644
--- a/app/controllers/products_controller.rb
+++ b/app/controllers/products_controller.rb
@@ -57,6 +57,6 @@ class ProductsController < ApplicationController
   private
 
     def product_params
-      params.require(:product).permit(:name, :price, :avatar, :category, :stock, :deleted)
+      params.require(:product).permit(:name, :price, :avatar, :category, :stock, :calories, :deleted)
     end
 end
diff --git a/app/helpers/products_helper.rb b/app/helpers/products_helper.rb
new file mode 100644
index 0000000..87d5bd7
--- /dev/null
+++ b/app/helpers/products_helper.rb
@@ -0,0 +1,13 @@
+module ProductsHelper
+  def kcal(calories)
+    calories.to_s + " kcal"
+  end
+
+  def kcal_tag(calories)
+    if calories
+      content_tag :small, kcal(calories)
+    else
+      '&nbsp;'.html_safe
+    end
+  end
+end
diff --git a/app/models/product.rb b/app/models/product.rb
index a1e867a..64d4bf4 100644
--- a/app/models/product.rb
+++ b/app/models/product.rb
@@ -13,6 +13,7 @@
 #  avatar_updated_at   :datetime
 #  category            :integer          default("0")
 #  stock               :integer          default("0"), not null
+#  calories            :integer          default("0") // expressed in kcal
 #
 
 class Product < ActiveRecord::Base
@@ -24,6 +25,7 @@ class Product < ActiveRecord::Base
   validates :name, presence: true
   validates :price_cents, numericality: { only_integer: true, greater_than_or_equal_to: 0 }
   validates :stock, numericality: { only_integer: true, greater_than_or_equal_to: 0 }
+  validates :calories, numericality: { only_integer: true, allow_nil: true, greater_than_or_equal_to: 0 }
   validates_attachment :avatar,
     presence: true,
     content_type: { content_type: ["image/jpeg", "image/gif", "image/png"] }
diff --git a/app/views/order_items/_order_item.html.erb b/app/views/order_items/_order_item.html.erb
index f5fd312..3f0fa03 100644
--- a/app/views/order_items/_order_item.html.erb
+++ b/app/views/order_items/_order_item.html.erb
@@ -5,6 +5,9 @@
         <%= image_tag product.avatar %>
       </div>
       <div class="caption">
+        <h6>
+          <%= kcal_tag product.calories %>
+        </h6>
         <h4 class="text-nowrap">
         <%= content_tag :span, product.name %>
         <%= content_tag :small, euro(product.price) %>
diff --git a/app/views/products/_form.html.erb b/app/views/products/_form.html.erb
index 04911cd..be746cd 100644
--- a/app/views/products/_form.html.erb
+++ b/app/views/products/_form.html.erb
@@ -7,6 +7,7 @@
       <%= f.price_field :price %>
       <%= f.collection_select :category, Product.categories.keys %>
       <%= f.number_field :stock %>
+      <%= f.number_field :calories %>
       <%= f.file_field :avatar %>
 
       <%= f.submit %>
diff --git a/app/views/products/_product.html.erb b/app/views/products/_product.html.erb
index 235c1a1..095e73a 100644
--- a/app/views/products/_product.html.erb
+++ b/app/views/products/_product.html.erb
@@ -4,6 +4,7 @@
       <%= image_tag product.avatar %>
     </div>
     <div class="caption">
+      <%= kcal_tag product.calories %>
       <h4><%= product.name %></h4>
       <h3><%= euro(product.price) %></h3>
       <h6>(In stock: <%= product.stock %>)</h6>
diff --git a/app/views/products_list/_product_edit_row.html.erb b/app/views/products_list/_product_edit_row.html.erb
index 89267c9..e043de8 100644
--- a/app/views/products_list/_product_edit_row.html.erb
+++ b/app/views/products_list/_product_edit_row.html.erb
@@ -5,6 +5,7 @@
     <td><%= f.price_field :price, skip_label: true %></td>
     <td><%= f.number_field :stock, skip_label: true %></td>
     <td><%= f.check_box :deleted, skip_label: true %></td>
+    <td><%= f.number_field :calories, skip_label: true %></td>
     <td><%= f.button "Update", class: "btn btn-primary" %></td>
     <%= javascript_tag do %>
       var id = "#edit_<%= dom_id(product) %>";
diff --git a/app/views/products_list/_product_row.html.erb b/app/views/products_list/_product_row.html.erb
index 98b24bb..8b2ad5e 100644
--- a/app/views/products_list/_product_row.html.erb
+++ b/app/views/products_list/_product_row.html.erb
@@ -4,5 +4,6 @@
   <td><%= euro(product.price) %></td>
   <td><%= product.stock %></td>
   <td><span class="glyphicon <%= product.deleted ? "glyphicon-check" : "glyphicon-unchecked" %>"></span></td>
+  <td><%= product.calories %></td>
   <td><%= button_to "Edit", edit_product_path(product), method: :get, class: "btn btn-default", remote: true %></td>
 </tr>
diff --git a/app/views/products_list/listview.html.erb b/app/views/products_list/listview.html.erb
index 4f7488b..4393e5c 100644
--- a/app/views/products_list/listview.html.erb
+++ b/app/views/products_list/listview.html.erb
@@ -11,6 +11,7 @@
         <th>Price</th>
         <th>Stock</th>
         <th>Deleted</th>
+        <th>Kilocalorieën</th>
         <th></th>
       </tr>
       <%= render partial: 'products_list/product_row', collection: @products, as: :product %>
diff --git a/db/migrate/20150707162949_add_calories_to_products.rb b/db/migrate/20150707162949_add_calories_to_products.rb
new file mode 100644
index 0000000..78e4c6a
--- /dev/null
+++ b/db/migrate/20150707162949_add_calories_to_products.rb
@@ -0,0 +1,5 @@
+class AddCaloriesToProducts < ActiveRecord::Migration
+  def change
+    add_column :products, :calories, :int
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 0d121a6..2d92fa7 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -41,6 +41,7 @@ ActiveRecord::Schema.define(version: 20150824142843) do
     t.datetime "avatar_updated_at"
     t.integer  "category",            default: 0
     t.integer  "stock",               default: 0,     null: false
+    t.integer  "calories"
     t.boolean  "deleted",             default: false
   end