Size guide for your insoles and shoes
Why use a foot measurer?
A foot measurer allows you to measure your feet, as it’s essential to know your exact shoe size to properly fit orthopedic insoles. Smartfeet helps with an adult foot measurer that will give you the length of your foot in centimeters. For smaller feet, we recommend downloading the children's foot measurer. Below you will find the sizes associated in our size guide.
How to use the foot measurer and measure your foot size?
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Download the foot measurer online (PDF)
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Print it at 100% size
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Fold and raise the paper at a right angle at the dotted line. Then place it against a wall.
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Stand up and place your foot on the paper with the heel against the wall.
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Measure the distance between the heel and the longest toe. Then draw a line with a pencil at the tip of the big toe.
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Now, just read the foot measurer to find your size. Tip: We recommend choosing a size above, as most of our insoles are cuttable to allow a perfect fit to your foot shape.
How to print and download my foot measurer?
To download our men & women foot measurer, just click on: Free foot measurer for men to print. or Free foot measurer for women to print.
For children's and baby sizes, click HERE. When printing, it’s important to print the PDF at 100% size to preserve the correct scale.
If you don’t have a printer, you can follow this tutorial to measure your foot size yourself.
Shoe Size Guide
Smartfeet orthopedic insole sizes are the same as your shoe sizes. To find the correct size, simply match the foot length in cm that you measured previously with the right size and country. Our size guide is valid for European countries, as well as the United Kingdom, USA, and Canada.
Men's Shoe Size Guide
| US (Men) | UK (Men) | EU | Length (inch) | Length (cm) |
|---|---|---|---|---|
| 3 | 2 | 35 | 8½″ | 21.6 cm |
| 4 | 3 | 36 | 8⅞″ | 22.5 cm |
| 5 | 4 | 37 | 9⅛″ | 23.1 cm |
| 6 | 5 | 38 | 9½″ | 24.1 cm |
| 6.5 | 5.5 | 39 | 9¾″ | 24.8 cm |
| 7 | 6 | 40 | 10″ | 25.2 cm |
| 8 | 7 | 41 | 10¼″ | 26.0 cm |
| 8.5 | 7.5 | 42 | 10⅜″ | 26.5 cm |
| 9.5 | 8.5 | 43 | 10¾″ | 27.3 cm |
| 10.5 | 9.5 | 44 | 11″ | 27.9 cm |
| 11.5 | 10.5 | 45 | 11¼″ | 28.6 cm |
| 12.5 | 11.5 | 46 | 11½″ | 29.4 cm |
| 13 | 12 | 47 | 11⅞″ | 30.2 cm |
| 14 | 13 | 48 | 12⅛″ | 31.0 cm |
| 15 | 14 | 49 | 12½″ | 31.8 cm |
| 16 | 15 | 50 | 12⅞″ | 32.7 cm |
| 17 | 16 | 51 | 13¼″ | 33.5 cm |
Women's Shoe Size Guide
| US (Women) | UK (Women) | EU | Length (inch) | Length (cm) |
|---|---|---|---|---|
| 4.5 | 2.5 | 35 | 8½″ | 21.6 cm |
| 5.5 | 3.5 | 36 | 8⅞″ | 22.5 cm |
| 6.5 | 4.5 | 37 | 9⅛″ | 23.1 cm |
| 7.5 | 5.5 | 38 | 9½″ | 24.1 cm |
| 8.5 | 6.5 | 39 | 9¾″ | 24.8 cm |
| 9 | 7 | 40 | 10″ | 25.2 cm |
| 10 | 8 | 41 | 10¼″ | 26.0 cm |
| 10.5 | 8.5 | 42 | 10⅜″ | 26.5 cm |
| 11.5 | 9.5 | 43 | 10¾″ | 27.3 cm |
| 12.5 | 10.5 | 44 | 11″ | 27.9 cm |
| 13.5 | 11.5 | 45 | 11¼″ | 28.6 cm |
| 14.5 | 12.5 | 46 | 11½″ | 29.4 cm |
Kids' Shoe Size Guide
| US | UK | EU | Length (inch) | Length (cm) |
|---|---|---|---|---|
| 3.5C | 2.5C | 19 | 4⅝″ | 11.7 cm |
| 4C | 3C | 20 | 4¾″ | 12.1 cm |
| 5C | 4C | 21 | 5″ | 12.7 cm |
| 6C | 5C | 22 | 5¼″ | 13.3 cm |
| 7C | 6C | 23 | 5½″ | 14.0 cm |
| 8C | 7C | 24 | 5¾″ | 14.6 cm |
| 9C | 8C | 25 | 6⅛″ | 15.6 cm |
| 9.5C | 8.5C | 26 | 6¼″ | 15.9 cm |
| 10.5C | 9.5C | 27 | 6½″ | 16.5 cm |
| 11C | 10C | 28 | 6¾″ | 17.1 cm |
| 12C | 11C | 29 | 7⅛″ | 18.1 cm |
| 12.5C | 11.5C | 30 | 7¼″ | 18.4 cm |
| 13C | 12C | 31 | 7½″ | 19.1 cm |
| 1Y | 13Y | 32 | 7⅝″ | 19.4 cm |
| 2Y | 1Y | 33 | 8″ | 20.3 cm |
| 3Y | 2Y | 34 | 8⅜″ | 21.3 cm |
Find orthopedic insoles suitable for your children's feet
It’s recommended to use orthopedic insoles starting at age 5. At this age, their skeleton is still flexible enough to quickly correct foot issues. It's challenging to spot this type of issue in children, but you can check if the wear of the shoe appears only on the inner or outer side. If this is the case, your child may be pronated or supinated. If you have any doubts, we recommend taking your child to a pediatrician or podiatrist for a concrete diagnosis of the issue.