Ring size 7 in millimetres
US ring size 7 is 17.32 mm inner diameter and 54.4 mm circumference.
- US / CA
- 7
- UK / AU
- N½
- EU / ISO
- 54
- Japan
- 14
- CH / IT / ES
- 14
- Ø in
- 0.682
50 mm reference
This is around the average women’s ring size (US 6–6½). Compare it on the full ring size chart, or use the converter if your measurement falls between sizes.
Convert size 7: UK · EU · Japan
Frequently asked questions
What is ring size 7 in mm?
US ring size 7 has an inner diameter of 17.32 mm and an inner circumference of 54.4 mm.
What is US 7 in UK, EU and Japan ring sizes?
US 7 converts to UK N½, EU/ISO 54, Japan 14, and Switzerland/Italy/Spain 14.
Is ring size 7 small or large?
This is around the average women’s ring size (US 6–6½).