diff --git a/app/assets/images/pictograms/axis-arrow.svg b/app/assets/images/pictograms/axis-arrow.svg
new file mode 100644
index 0000000..c569201
--- /dev/null
+++ b/app/assets/images/pictograms/axis-arrow.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" id="icon" viewBox="0 0 24 24"><path d="M12,2L16,6H13V13.85L19.53,17.61L21,15.03L22.5,20.5L17,21.96L18.53,19.35L12,15.58L5.47,19.35L7,21.96L1.5,20.5L3,15.03L4.47,17.61L11,13.85V6H8L12,2Z" /></svg>
diff --git a/app/assets/images/pictograms/weight-gram.svg b/app/assets/images/pictograms/weight-gram.svg
new file mode 100644
index 0000000..6f63b13
--- /dev/null
+++ b/app/assets/images/pictograms/weight-gram.svg
@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" id="icon" viewBox="0 0 24 24"><path d="M19.95,10.56C19.75,9.67 18.95,9 18,9H15.46C15.81,8.41 16,7.73 16,7A4,4 0 0,0 12,3A4,4 0 0,0 8,7C8,7.73 8.19,8.41 8.54,9H6C5.05,9 4.25,9.67 4.05,10.56C2.04,18.57 2,18.78 2,19A2,2 0 0,0 4,21H20A2,2 0 0,0 22,19C22,18.78 21.96,18.57 19.95,10.56M12,5A2,2 0 0,1 14,7A2,2 0 0,1 12,9A2,2 0 0,1 10,7A2,2 0 0,1 12,5M15,13H11V17H13V14H15V19H11C9.89,19 9,18.11 9,17V13C9,11.89 9.89,11 11,11H15V13Z" /></svg>
diff --git a/app/assets/images/pictograms/weight-kilogram.svg b/app/assets/images/pictograms/weight-kilogram.svg
deleted file mode 100644
index e7ebb64..0000000
--- a/app/assets/images/pictograms/weight-kilogram.svg
+++ /dev/null
@@ -1 +0,0 @@
-<svg xmlns="http://www.w3.org/2000/svg" id="icon" viewBox="0 0 24 24"><path d="M12,3A4,4 0 0,1 16,7C16,7.73 15.81,8.41 15.46,9H18C18.95,9 19.75,9.67 19.95,10.56C21.96,18.57 22,18.78 22,19A2,2 0 0,1 20,21H4A2,2 0 0,1 2,19C2,18.78 2.04,18.57 4.05,10.56C4.25,9.67 5.05,9 6,9H8.54C8.19,8.41 8,7.73 8,7A4,4 0 0,1 12,3M12,5A2,2 0 0,0 10,7A2,2 0 0,0 12,9A2,2 0 0,0 14,7A2,2 0 0,0 12,5M6,11V19H8V16.5L9,17.5V19H11V17L9,15L11,13V11H9V12.5L8,13.5V11H6M15,11C13.89,11 13,11.89 13,13V17C13,18.11 13.89,19 15,19H18V14H16V17H15V13H18V11H15Z" /></svg>
diff --git a/app/controllers/quantities_controller.rb b/app/controllers/quantities_controller.rb
new file mode 100644
index 0000000..15bbf93
--- /dev/null
+++ b/app/controllers/quantities_controller.rb
@@ -0,0 +1,2 @@
+class QuantitiesController < ApplicationController
+end
diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index e67c212..c5a0bd5 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -125,8 +125,9 @@ module ApplicationHelper
 
   def navigation_menu
     menu_tabs = [
-      ['units', "weight-kilogram", :restricted, 'right'],
-      ['users', "account-multiple-outline", :admin],
+      ['quantities', 'axis-arrow', :restricted, 'right'],
+      ['units', 'weight-gram', :restricted],
+      ['users', 'account-multiple-outline', :admin],
     ]
 
     menu_tabs.map do |name, image, status, css_class|
diff --git a/app/helpers/quantities_helper.rb b/app/helpers/quantities_helper.rb
new file mode 100644
index 0000000..9e6aa8b
--- /dev/null
+++ b/app/helpers/quantities_helper.rb
@@ -0,0 +1,2 @@
+module QuantitiesHelper
+end
diff --git a/app/helpers/units_helper.rb b/app/helpers/units_helper.rb
new file mode 100644
index 0000000..d8b2f3f
--- /dev/null
+++ b/app/helpers/units_helper.rb
@@ -0,0 +1,2 @@
+module UnitsHelper
+end
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 84b8cbb..c2af10e 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -53,6 +53,8 @@ en:
       revert: Revert
       sign_out: Sign out
       source_code: Get code
+  quantities:
+    navigation: Quantities
   units:
     navigation: Units
     no_items: There are no configured units. You can Add some or Import from defaults.
diff --git a/config/routes.rb b/config/routes.rb
index c4ec47f..1d13054 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,6 +1,5 @@
 Rails.application.routes.draw do
-  devise_for :users, path: '', path_names: {registration: 'profile'},
-    controllers: {registrations: :registrations}
+  resources :quantities
 
   resources :units, except: [:show], path_names: {new: '(/:id)/new'} do
     member { post :rebase }
@@ -13,6 +12,8 @@ Rails.application.routes.draw do
     end
   end
 
+  devise_for :users, path: '', path_names: {registration: 'profile'},
+    controllers: {registrations: :registrations}
   resources :users, only: [:index, :show, :update] do
     member { get :disguise }
     collection { get :revert }
diff --git a/test/controllers/quantities_controller_test.rb b/test/controllers/quantities_controller_test.rb
new file mode 100644
index 0000000..5772874
--- /dev/null
+++ b/test/controllers/quantities_controller_test.rb
@@ -0,0 +1,7 @@
+require "test_helper"
+
+class QuantitiesControllerTest < ActionDispatch::IntegrationTest
+  # test "the truth" do
+  #   assert true
+  # end
+end
diff --git a/test/controllers/units_controller_test.rb b/test/controllers/units_controller_test.rb
new file mode 100644
index 0000000..c029378
--- /dev/null
+++ b/test/controllers/units_controller_test.rb
@@ -0,0 +1,7 @@
+require "test_helper"
+
+class UnitsControllerTest < ActionDispatch::IntegrationTest
+  # test "the truth" do
+  #   assert true
+  # end
+end