US → Japan
US to Japan Shoe Size Converter
Japanese shoe sizes are based directly on foot length in centimeters, making them the most intuitive system. Converting from US to Japan simply means finding the corresponding CM measurement for your US size.
Convert US to Japan
Select a size to convert
How to Convert US to Japan
US Men's 9 → JP 27 (27 cm foot). US Women's 8 → JP 24 (24 cm foot). JP size = foot length in centimeters.
Men's Examples
- US 7 → JP 25
- US 8 → JP 26
- US 9 → JP 27
- US 10 → JP 28
- US 11 → JP 29
- US 12 → JP 30
Women's Examples
- US 6 → JP 23
- US 7 → JP 23.5
- US 8 → JP 24
- US 9 → JP 25
- US 10 → JP 25.5
Tips
- JP size = your foot length in cm
- Also used for Korean sizes: multiply JP by 10 (JP 27 = KR 270)
- Width codes in Japan: A (narrow) to EEEE (extra wide)
US to Japan — Men's Chart
| US | Japan | CM |
|---|---|---|
| 6 | 24 | 24 |
| 6.5 | 24.5 | 24.5 |
| 7 | 25 | 25 |
| 7.5 | 25.5 | 25.5 |
| 8 | 26 | 26 |
| 8.5 | 26.5 | 26.5 |
| 9 | 27 | 27 |
| 9.5 | 27.5 | 27.5 |
| 10 | 28 | 28 |
| 10.5 | 28.5 | 28.5 |
| 11 | 29 | 29 |
| 11.5 | 29.5 | 29.5 |
| 12 | 30 | 30 |
| 13 | 31 | 31 |
| 14 | 32 | 32 |
| 15 | 33 | 33 |
| 16 | 34 | 34 |
US to Japan — Women's Chart
| US | Japan | CM |
|---|---|---|
| 4 | 21 | 21 |
| 4.5 | 21.5 | 21.5 |
| 5 | 22 | 22 |
| 5.5 | 22.5 | 22.5 |
| 6 | 23 | 23 |
| 6.5 | 23 | 23 |
| 7 | 23.5 | 23.5 |
| 7.5 | 24 | 24 |
| 8 | 24 | 24 |
| 8.5 | 24.5 | 24.5 |
| 9 | 25 | 25 |
| 9.5 | 25 | 25 |
| 10 | 25.5 | 25.5 |
| 10.5 | 26 | 26 |
| 11 | 26 | 26 |
| 11.5 | 26.5 | 26.5 |
| 12 | 27 | 27 |
US to Japan FAQ
US Men's 9 = JP 27 (27 cm). US Women's 9 = JP 25 (25 cm).
Japanese sizes equal foot length in centimeters. JP 27 = 27 cm foot. No gender offset — the number is the measurement.