Japanese Women's Clothing Size Conversion

Japanese women's clothes use 号 (gō) numbers, with 9号 as the standard size. Here is roughly how 号 lines up with US, UK and EU — brands vary a lot.

Japanese women's clothing size chart

Approximate equivalents — Japanese labels use JIS body measurements, so fit varies by brand and cut. 9号 is the standard "M".

How Japanese sizes work

Japanese women’s sizing uses odd 号 numbers (5, 7, 9, 11 …), built around a smaller average frame, so Japanese sizes tend to run about one size smaller than US. The equivalents below are rough — always check a brand’s own measurements.

These are approximate equivalents only; Japanese labels are built on JIS body measurements (a smaller average frame), so fit varies by brand and cut.

Approximate — brands vary. The Japanese figure (cm foot length, or 号) is the reliable one.

More clothing sizes

← All Japanese size converters  ·  Japanese units converter

Frequently asked questions

Do Japanese clothes run small?

Generally yes. Japanese sizes are built on JIS body measurements for a smaller average frame, so a Japanese size tends to run about one size smaller than the equivalent US size. Always check the garment’s own measurements.