Ring sizing atelier
Find the size that stays.
Calibrate this screen with a bank card, match a ring you own, or wrap a paper strip. Confirm expensive pieces with a jeweller. Print a paper gauge.
Match a ring
True-size overlay
Place a ring you already wear over the circle. Step sizes until the inner edge sits flush.
Estimated
3.0 mm
US 7· 17.32 mm
Debit, credit, or ID card — the short edge.
Drag the end until this matches
US size
7
- Inner diameter
- 17.32 mm
- Circumference
- 54.40 mm
- UK N½
- ISO 54.4
- JP 14
A guide, not a mandrel. Read the measurement notes.