Fitting Guide: Find your Birkenstock size & fit


We offer our original footbed in two widths: Regular and Narrow.  This is to accommodate for the differences in shape between individual's feet and to provide optimum support and comfort.


Please Note: This is a guide only, shoes manufactured to standard measurements can't accommodate all the nuances and particulars to individual feet and can't replace the one on one experience of being fit by a trained staff in store, however as a guide to find the closest fit it's a very useful tool. If further assistance in determining size is required please contact our customer service team or head in store for a fitting. Find your size by following the steps below: 


How to Measure

It's important to measure your foot accurately to find the right size shoe. To work out the size and width you will require, please follow these steps:


1. Measure the length of your foot by standing on a flat surface with your full weight on your foot, then measure the distance from the back of your heel to the tip of your longest toe.
2. Add 10mm to your foot length to allow your foot room to move. This will give you the footbed length you need to find your size.
3. Measure the width of your foot across the broadest point. Compare your foot width measurement to the footbed width in your size to see if you will need a narrow or regular width.

Example: Julie's foot measures 240mm long and 95mm wide. Julie adds 10mm to her foot's length to find she will fit comfortably into a Size 39 (250mm Footbed Length). At that size, the Regular Width footbed of 97mm will fit her foot properly.

  • Adults Regular

    Size Length Width
    35 Regular 225mm 89mm
    36 Regular 230mm 91mm
    37 Regular 240mm 93mm
    38 Regular 245mm 95mm
    39 Regular 250mm 97mm
    40 Regular 260mm 99mm
    41 Regular 265mm 101mm
    42 Regular 270mm 102mm
    43 Regular 280mm 103mm
    44 Regular 285mm 107mm
    45 Regular 290mm 109mm
    46 Regular 300mm 113mm
    47 Regular 305mm 115mm
    48 Regular 310mm 117mm
    49 Regular 315mm 119mm
    50 Regular 325mm 121mm
  • Adults Narrow

    Size Length Width
    35 Narrow 225mm 85mm
    36 Narrow 230mm 87mm
    37 Narrow 240mm 89mm
    38 Narrow 245mm 91mm
    39 Narrow 250mm 93mm
    40 Narrow 260mm 95mm
    41 Narrow 265mm 97mm
    42 Narrow 270mm 99mm
    43 Narrow 280mm 101mm
    44 Narrow 285mm 103mm
    45 Narrow 290mm 105mm
    46 Narrow 300mm 107mm
    47 Narrow 305mm 109mm
    48 Narrow 310mm 111mm
    49 Narrow 315mm 113mm
    50 Narrow 320mm 115mm
  • Kids Regular

    Size Length Width
    24 Regular 150mm 63mm
    25 Regular 160mm 69mm
    26 Regular 165mm 71mm
    27 Regular 170mm 73mm
    28 Regular 180mm 75mm
    29 Regular 185mm 77mm
    30 Regular 190mm 79mm
    31 Regular 200mm 81mm
    32 Regular 205mm 83mm
    33 Regular 210mm 85mm
    34 Regular 220mm 87mm
  • Kids Narrow

    Size Length Width
    24 Narrow 150mm 63mm
    25 Narrow 160mm 65mm
    26 Narrow 165mm 67mm
    27 Narrow 170mm 69mm
    28 Narrow 180mm 71mm
    29 Narrow 185mm 73mm
    30 Narrow 190mm 75mm
    31 Narrow 200mm 77mm
    32 Narrow 205mm 79mm
    33 Narrow 210mm 81mm
    34 Narrow 220mm 83mm

How to fit

Check the fit and sizing of your Birkenstock sandals at home with our step-by-step video guide.

Size assistant

Welcome to the Birkenstock Size Assistant!

Let us help you find the size you’ll be most comfortable in.
Approx time to complete: 5 minutes
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Or see what a good Birkenstock fit looks like

Your recommended Birkenstock size is

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Measuring Tips

Measuring Tips

We recommend using a pencil or a ballpoint pen.

A thick pen can distort the result.

It’s best to measure your feet in the evening as they may expand during the day.