Size Guide
How to find your ring size? See below for two suggestions.
Measure your existing ring
- Grab an existing rings that fits the desired finger.
- Measure the internal diameter of the ring (in mm).
- Refer to the below chart to determine your size.
| INTERNAL DIAMETER (MM) | 14.1 | 14.9 | 15.7 | 16.5 | 17.3 | 18.1 | 19 | 19.8 | 20.6 | 21.4 | 22.2 |
| US/ CANADA RING SIZE | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| UK/ AUSTRALIA RING SIZE | F | H | J | L | N | P | R | T | V | X | Z |
Measure your finger
- Cut a piece of paper into a strip and wrap it around the desired finger.
- Mark the spot where the papers meet and with a ruler measure the distance (in mm).
- Refer to the below chart to determine your size.
| CIRCUMFERENCE (MM) | 44.2 | 46.8 | 49.3 | 51.9 | 54.4 | 57 | 59.5 | 62.1 | 64.6 | 67.6 | 67.7 |
| US/ CANADA RING SIZE | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| UK/ AUSTRALIA RING SIZE | F | H | J | L | N | P | R | T | V | X | Z |
Still unsure? Our customer service team is here to help you find the perfect fit. Email us at info@shopnaiia.com.