Shoe Size Guide
Check the shoe size chart below to find the right size for you! (slide left and right to find your size)
Shoe Size Conversion Chart
| Men/Unisex | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UK | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 13 | 14 | 15 | 16 | 17 |
| EU | 36 | 37 | 37.5 | 38 | 39 | 39.5 | 40 | 40.5 | 41.5 | 42 | 42.5 | 43.5 | 44 | 44.5 | 45 | 46 | 46.5 | 47 | 48 | 49 | 50.5 | 51.5 | 53 | 54 |
| CM | 22.5 | 23 | 23.5 | 24 | 24.5 | 25 | 25.25 | 25.5 | 26 | 26.5 | 27 | 27.5 | 28 | 28.25 | 28.5 | 29 | 29.5 | 30 | 30.5 | 31 | 32 | 33 | 34 | 34.5 |
| US | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 14 | 15 | 16 | 17 | 18 |
| Women | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UK | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 |
| EU | 35.5 | 36 | 37 | 37.5 | 38 | 39 | 39.5 | 40 | 40.5 | 41.5 | 42 | 42.5 | 43.5 | 44 | 44.5 | 45 | 46 | 46.5 | 47 |
| CM | 22.5 | 22.75 | 23 | 23.5 | 24 | 24.5 | 25 | 25.5 | 25.75 | 26 | 26.5 | 27 | 27.5 | 28 | 28.5 | 28.75 | 29 | 29.5 | 30 |
| US | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 |
| Kids | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UK | K3 | K4 | K5 | K6 | K7 | K8 | K9 | K9H | K10 | K10H | K11 | K11H | K12 | K12H | K13 | K13.5 | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 |
| EU | 19.5 | 21 | 22.5 | 23.5 | 25 | 26 | 27 | 28 | 28.5 | 29.5 | 30 | 30.5 | 31.5 | 32 | 32.5 | 33 | 33.5 | 34.5 | 35 | 35.5 | 36 | 37 | 37.5 | 38 | 39 | 39.5 | 40 |
| CM | 11.5 | 13 | 14 | 15 | 15.5 | 16 | 17 | 17.25 | 17.5 | 18 | 18.5 | 19 | 19.5 | 19.75 | 20 | 20.5 | 21 | 21.5 | 22 | 22.25 | 22.5 | 23 | 23.5 | 24 | 24.5 | 25 | 25.5 |
| US | K4 | K5 | K6 | K7 | K8 | K9 | K10 | K10H | K11 | K11H | K12 | K12H | K13 | K13H | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 |
How to measure shoe size
Follow the simple steps below to determine your shoe size. Make sure you do this during or at the end of day to ensure the right size (feet typically swell during the day.
Step 1
Put a piece of blank paper under your feet. Stand up straight and have your heel lightly touching against the wall.
Step 2
Have someone mark the end of the longest toe and the back of your heel on the sheet with a pen or pencil. Afterwards measure the length of your feet from heel to toe.
Step 3
Repeat the steps for your other feet and compare it with our size chart.
Still not sure which size fits for you? As OneASICS member you have 90-day trial period benefits. You can test the shoes on a run and if it's not a match, simply return it.
More information to ensure a good shoe size fit you can read this article.
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