Determining your ring size can be tricky without the proper tools. Use our Ring Size Conversion chart below to find your ring size in different countries. Need help? Speak with a Diamond Expert now by calling 800-714-3591.
Determining your ring size can be tricky without the proper tools. Use our Ring Size Conversion chart below to find your ring size in different countries. Need help? Speak with a Diamond Expert now by calling 800-714-3591.
USA/Canada | Ring Diameter MM | UK | France | Germany | Japan | Switzerland |
---|---|---|---|---|---|---|
3 | 14.0 | F | 44 | 14 | 4 | 4 |
3 1/2 | 14.4 | G | 45 1/4 | 14 1/2 | 5 1/2 | 6 1/3 |
4 | 14.8 | H 1/2 | 46 1/2 | 15 | 7 | 6 1/2 |
4 1/2 | 15.2 | I 1/2 | 47 3/4 | 15 1/4 | 8 | 8 |
5 | 15.6 | J 1/2 | 49 | 15 3/4 | 9 | 9 1/2 |
5 1/2 | 16 | L | 50 3/4 | 16 | 10 1/2 | 10 3/4 |
6 | 16.5 | M | 51 1/2 | 16 1/2 | 12 | 12 3/4 |
6 1/2 | 16.9 | N | 52 3/4 | 17 | 13 | 14 |
7 | 17.3 | O | 54 | 17 1/4 | 14 | 15 1/4 |
7 1/2 | 17.7 | P | 55 1/4 | 17 3/4 | 15 | 16 1/2 |
8 | 18.2 | Q | 56 3/4 | 18 | 16 | 17 3/4 |
8 1/2 | 18.6 | Q 1/2 | 58 | 18 1/2 | 17 | 18 1/2 |
9 | 19.0 | R 1/2 | 59 1/4 | 19 | 18 | 20 |
9 1/2 | 19.4 | S 1/2 | 60 3/4 | 19 1/2 | 19 | 21 |
10 | 19.8 | T 1/2 | 61 3/4 | 20 | 20 | 21 3/4 |
10 1/2 | 20.2 | U 1/2 | 62 3/4 | 20 1/4 | 22 | 22 3/4 |
11 | 20.6 | V 1/2 | 64 1/4 | 20 3/4 | 23 | 24 |
11 1/2 | 21.0 | W 1/2 | 66 | 21 | 24 | 25 3/4 |
12 | 21.4 | Y | 67 1/4 | 21 1/4 | 25 | 27 1/2 |
12 1/2 | 21.8 | Z | 68 | 21 3/4 | 26 | 28 3/4 |
13 | 22.2 | Z+1 | 69 | 22 | 27 | 29 1/4 |
13 1/2 | 22.6 | Z+1.5 | 71 | 22.6 | - | 31 |