What ring size is 17 mm?
A 17 mm inner diameter is a US 6.5 — UK M½, EU 53, Japan 13.
- US
- 6.5
- UK
- M½
- EU
- 53
- Japan
- 13
- Inner diameter, millimetres
- 17
- Circ mm
- 53.4
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See the full international ring size chart · Converter
Frequently asked questions
Is 17 mm a diameter or circumference?
On this page 17 mm is the inner diameter (the width across the inside of the ring). The matching inner circumference is about 53.4 mm.
How should I confirm a converted ring size before ordering?
Measure the same finger or a ring that fits with a second method. For an expensive, wide, or non-resizable ring, check the retailer's chart and confirm with a physical sizer or jeweller.