What ring size is 15.5 mm?
A 15.5 mm inner diameter is a US 5 — UK J½, EU 49, Japan 9. (between sizes — we suggest sizing up)
- US
- 5
- UK
- J½
- EU
- 49
- Japan
- 9
- Ø mm
- 15.5
- Circ mm
- 48.7
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Frequently asked questions
What ring size is 15.5 mm?
A 15.5 mm inner diameter is closest to US 5 (UK J½, EU 49, Japan 9). It falls between sizes, so we suggest sizing up.
Is 15.5 mm a diameter or circumference?
On this page 15.5 mm is the inner diameter (the width across the inside of the ring). The matching inner circumference is about 48.7 mm.