Men's Shoe Size Converter
Match US, UK, EU, Japanese, Chinese and Korean men's shoe sizes at a glance.
Korea (mm) 265 =
- US
- 8.5
- UK
- 8
- EU
- 42
- Japan (cm)
- 26.5
- China
- 42.5
Actual measurements vary by brand even for the same label. For the best fit, measure yourself in centimeters and check the brand's own size chart.
Full size conversion chart
| Korea (mm) | US | UK | EU | Japan (cm) | China |
|---|---|---|---|---|---|
| 240 | 6 | 5.5 | 38.5 | 24 | 39 |
| 245 | 6.5 | 6 | 39 | 24.5 | 39.5 |
| 250 | 7 | 6.5 | 40 | 25 | 40 |
| 255 | 7.5 | 7 | 40.5 | 25.5 | 41 |
| 260 | 8 | 7.5 | 41 | 26 | 42 |
| 265 | 8.5 | 8 | 42 | 26.5 | 42.5 |
| 270 | 9 | 8.5 | 42.5 | 27 | 43 |
| 275 | 9.5 | 9 | 43 | 27.5 | 44 |
| 280 | 10 | 9.5 | 44 | 28 | 44.5 |
| 285 | 10.5 | 10 | 44.5 | 28.5 | 45 |
| 290 | 11 | 10.5 | 45 | 29 | 46 |
Actual measurements vary by brand even for the same label. For the best fit, measure yourself in centimeters and check the brand's own size chart.
How to use
- Pick the country or sizing system you already know — e.g. "US" if the garment was bought in US sizing.
- Select your size and the equivalents in every other system appear at once.
- Check the full chart below too — knowing the neighboring sizes helps when you're between sizes.
Frequently asked questions
Why do sizes differ so much between countries?+
Each country grades sizes differently: Korea and Japan label actual measurements (mm/cm), the US and UK use inches and their own grades, and Europe uses separate number systems. They're different names for the same body, so a chart can line them up.
What is a US men's 9 in EU sizing?+
A US men's 9 is roughly EU 42.5, UK 8.5 — a 27 cm (270 mm) foot.
Do Nike and Adidas follow this chart?+
Brands publish slightly different charts — the same 27 cm foot can be a US 9 at Nike and US 9.5 at Adidas. Use this standard chart to get close, then confirm with the brand's own table.
What if a brand's sizing doesn't match the chart?+
This chart follows the standard international correspondence, but cuts vary by brand — expect up to one size of drift. The safest check is the brand's own size chart with actual measurements in centimeters.
Is it really free?+
Yes. No sign-up, no install, no usage limits. The site is ad-supported.
Unit guide
How each country sizes shoes
Korea labels foot length in millimeters (265 = 26.5 cm) and Japan in centimeters. Europe counts in Paris points (2/3 cm); the US and UK use last-based scales, with US men's sizes about 0.5 above UK.
When buying sneakers abroad, check both the US/EU label and the mm/cm value on the product page — the same US 9 sometimes maps to 275 mm depending on the brand.
How to measure your feet
Stand on paper with your heel against a wall, mark your longest toe, and measure. Evening measurements are most reliable, and always fit the larger foot.
Add about 10 mm of room for running shoes and around 5 mm for dress shoes and loafers. Wide feet? Go up half a size or pick a wide fit.