What ring size is 19.5 mm?
A 19.5 mm inner diameter is a US 10 — UK T½, EU 62, Japan 20. (between sizes — we suggest sizing up)
- US
- 10
- UK
- T½
- EU
- 62
- Japan
- 20
- Ø mm
- 19.5
- Circ mm
- 61.3
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Frequently asked questions
What ring size is 19.5 mm?
A 19.5 mm inner diameter is closest to US 10 (UK T½, EU 62, Japan 20). It falls between sizes, so we suggest sizing up.
Is 19.5 mm a diameter or circumference?
On this page 19.5 mm is the inner diameter (the width across the inside of the ring). The matching inner circumference is about 61.3 mm.