Metric Data 09 – Kitchen Standard Sizes

Standard kitchen unit and appliance sizes


In this metric data post we will be looking at standard kitchen layouts and sizes. To make it more useful, we have put together a reference PDF with all of the sizes that you can download for free. On top of that you can get all of the CAD drawings that are featured in this post from our shop for a small fee.

In this post we explore standard kitchen information for units, appliances, layouts and more.

The sizes below are suggestions, and of course, kitchens come in many different sizes – but this is a good starting point and guide. It is especially useful if you have the cad drawings to drag and drop directly into your floor plans.

To complement the PDF download you can get the CAD files for your own use, of all the dimensioned drawings. Easy to drop into your drawings or use a reference in your own CAD templates. Get the CAD files now!

Standard Kitchen Unit Sizes


Standard depth of kitchen unit: 600mm

Standard height of kitchen unit: 900mm

Standard widths of kitchen units:

300mm, 400mm, 500mm, 600m, 800mm, 1000mm, 1200mm

Standard depth of wall cupboard: 300mm to 350mm

Standard height of wall cupboard: 400mm to 700mm

Standard widths of kitchen wall cupboards:

300mm, 400mm, 500mm, 600m, 800mm, 1000mm, 1200mm


Metric Data 09 Standard kitchen unit sizes



Standard kitchen sink sizes


Small kitchen sink: 500mm depth x 600mm width

Mid kitchen sink: 500mm depth x 1000mm width

Large kitchen sink: 500mm depth x 1200mm width

Metric Data 09 Standard kitchen sink sizes



Standard Fridge Sizes


Small fridge size: 500mm wide x 850mm high

Mid fridge size: 600mm wide x 1460mm high

Tall fridge size: 600mm wide x 1750mm high

Double fridge: 908mm wide x 1760mm high


Metric Data 09 Standard fridge sizes


Standard ovens and hobs


Single freestanding oven size: 600mm wide x 900mm high

Double range oven size: 1100mm wide x 900mm high

Under worktop single oven size: 600mm wide x 850mm high

Built in double oven size: 600mm wide x 850mm high

Hob size: 600mm wide x 580mm depth


Metric Data 09 Standard oven and hob sizes


Other appliances


Under worktop dishwasher size: 600mm wide x 850mm high

Washing machine size: 600mm wide x 850mm high

Tumble dryer size: 600mm wide x 850mm high

Microwave size: 500mm wide x 330mm high


Metric Data 09 Standard appliance sizes

Kitchen Design Rules of thumb

There are some fundamental design principles when it comes to planning your kitchen that should be considered. These rules of thumb should help you avoid potential awkward spaces, and poor functionality.


Rule 1 – Kitchen door clearance

Ensure there is at least 400mm clearance between a kitchen door and the nearest units. This essentially means allowing for 1200mm between the units and the wall with the door.

If you are planning a narrow galley style kitchen, and the room is less than 1800mm wide, you cannot comfortably use a standard 600mm deep unit. You may need to use bespoke (however this would affect appliances) – or reconsider your design.




Rule 2 – Distance between units

Allow a minimum 1200mm clearance between runs of units. Most doors open up to around 600mm, i.e. dishwasher, oven door, unit door so a minimum of 1200mm will allow people to pass when then doors are open.

A distance of 1500mm between units will allow two people to pass with ease when the doors are closed.



Rule 3 – Work triangle

Try to keep the work triangle to a distance of 7 metres or less, this allows for a comfortable working distance.


Rule 4 – Clearance between worktop and wall mounted cabinet

Allow for at least 400mm clearance between the worktop and wall mounted cupboard, to ensure there is sufficient working space below the cupboard on the worktop.


Rule 5 – Door Interference

Ensure no entry doors or appliance doors interfere with one another.


Rule 6 – Distance behind seating

Ensure you provide enough space behind a seated diner to allow traffic to pass.

The minimum clearance from the table or counter to any wall or other obstruction behind the seating area is 800mm.

If someone is to walk past, a distance of 1100mm should be provided. For a wheelchair to comfortably move past the seated diner a distance of 1500mm should be provided.


Rule 7 – Food preparation and work area

Allow a minimum of 800mm width worktop next to a sink for food preparation and work area.


Rule 8 – Cooking surface

Allow a minimum of 300mm either side of the hob to ensure suitable work space either side of the cooking area. Also ensure that there is a non combustable surface above the hob and a clearance of at least 600mm.


Rule 9 – Traffic

Your kitchen should not be a main thoroughfare to the rest of the house. Make sure traffic does not cross the kitchen work triangle.


Rule 10 – Don’t break up the workspace

Aim to keep things flowing, don’t place a full height cabinet or appliance between any two of the major work centres.


Rule 11 – Place the sink in the centre

The sink should ideally be positioned in the centre of the work triangle as it is the most used area of the kitchen.


Rule 12 – Dishwashers

When positioning your dishwasher, ensure it is at least 500mm from a corner, to allow loading from both sides. Also ensure there is standing space in front of the dishwasher for unloading.


Rule 13 – Oven set down space

A minimum of 400mm is required beside an oven to be used as a set down space. The same goes for a microwave.


Rule 14 – Fridge set down space

Ideally a minimum of 400mm worktop space should be allowed for on the door opening side of the fridge for setting down items.


Rule 15 – Fire

Don’t forget the fire regulations, and the necessary provision of smoke detectors, and extinguishers according to the regulations.


Rule 16 – Regulations

Be sure to check the building regulations and standards to ensure your kitchen design complies.
Make sure you download the pdf guide that goes with this post. And get your copy of the cad files too!
To complement the PDF download you can get the CAD files for your own use, of all the dimensioned drawings. Easy to drop into your drawings or use a reference in your own CAD templates. Get the CAD files now!

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  1. I have a question.
    Why they use only mm or m scales? As a beginner, I want to use inch or foot, when I make a design. I really don’t know which one is better. Can you give me some advice for more learning.

    • Hi Dhana,
      In the UK, architects usually work in millimetres. Since we are based in the UK all of the content on the site is in mm. However, some countries work in inches and feet, or even use a combination of both. You can read a bit more about units here:
      Hope this helps.


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