US Ring Size 9

A US size 9 ring has an inner diameter of 19.35 mm and an inner circumference of 60.8 mm.

Inner diameter
19.35 mm
Circumference
60.8 mm
UK / Australia
R
EU / Germany
61
India
28

Is size 9 right for you?

1

Check the band width

If the ring band is wider than 6 mm, order half a size up from 9. Wide bands sit higher on the knuckle and feel tighter than the measurement suggests.

2

Measure at the right temperature

Fingers shrink in the cold and swell in heat. Confirm the reading with warm hands at the end of the day, when your fingers are at their largest.

3

Clear the knuckle first

The ring has to pass over your knuckle before it can rest at the base. If your knuckle is noticeably wider, size up from 9 and consider a comfort-fit band.

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