US 3 to Japan Ring Size
Conversion
US 3 = Japan 4
Inner circumference ≈ 44.2 mm · diameter ≈ 14.1 mm.
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Full conversion chart
| Région | Taille |
|---|---|
| US | 3 |
| UK | F |
| EU | 44 |
| France | 44 |
| Japan | 4 |
About this conversion
A US 3 ring converts to a Japan 4. Inner circumference ≈ 44.2 mm · diameter ≈ 14.1 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.