US 8 to Japan Ring Size
Conversion
US 8 = Japan 16
Inner circumference ≈ 57 mm · diameter ≈ 18.1 mm.
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Full conversion chart
| Region | Size |
|---|---|
| US | 8 |
| UK | P |
| EU | 57 |
| France | 57 |
| Japan | 16 |
About this conversion
A US 8 ring converts to a Japan 16. Inner circumference ≈ 57 mm · diameter ≈ 18.1 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.