US 7 to Japan Ring Size
Conversion
US 7 = Japan 13
Inner circumference ≈ 54.4 mm · diameter ≈ 17.3 mm.
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Full conversion chart
| Région | Taille |
|---|---|
| US | 7 |
| UK | N |
| EU | 54 |
| France | 54 |
| Japan | 13 |
About this conversion
A US 7 ring converts to a Japan 13. Inner circumference ≈ 54.4 mm · diameter ≈ 17.3 mm. Ring sizes all describe one physical measurement — the inner circumference of the band — that each country labels differently.
To check at home, measure the inside diameter of a ring that already fits and compare it to the millimetre figure above.