Shoe Size Conversion
Last updated: June 2026 · Free · No sign-up required
Enter values above and click Calculate to see your result instantly.
Quick reference
Women's shoe size conversion:
| US | UK | EU | CM |
|---|---|---|---|
| 6 | 4 | 36–37 | 22.5 |
| 7 | 5 | 37–38 | 23.5 |
| 8 | 6 | 38–39 | 24.5 |
| 9 | 7 | 40 | 25.5 |
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Everyday calculators are the workshop drawer of the site — quick utilities for the moments when you need a number now and a phone calculator won't cut it. Age, date difference, GPA, fuel cost, time-to-decimal, password strength — pick a tool and you're one click from your answer.
speed Loads in under a second
Every tool is plain HTML + JavaScript with the calculation logic compiled in. No spinner, no "verifying browser" splash, no five-second wait while ads load. Hit the page, fill the form, get the answer. Slow tools waste your time and ours.
devices Works on every device
Responsive design tested down to a 320px-wide phone screen. The input fields use native number/date keyboards on iOS and Android, the calculate button is thumb-sized, and the result still reads big and bold on the smallest screen. No app to download, ever.
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Interpretation guide
Men's shoe size conversion:
| US | UK | EU | CM |
|---|---|---|---|
| 8 | 7 | 41 | 26.0 |
| 9 | 8 | 42 | 27.0 |
| 10 | 9 | 43 | 28.0 |
| 11 | 10 | 44–45 | 29.0 |
Formula & methodology
Formula: EU size approx = (foot length in cm + ~1.5 growth allowance) x 1.5; CM = foot length
Shoe sizing differs by region and gender, so the converter maps your size across US, UK, EU, and centimeter (Mondopoint) scales. The most reliable approach is to measure foot length in centimeters and match it to the chart, because brand and shape vary. UK sizes typically run about 1 to 1.5 below US sizes, and EU sizes are roughly 1.5 times the foot length in cm.