International Ring Size Chart

US / Canada
UK / Australia
Europe
Germany
Japan
3 F 44 14 4
3 1/4 F 1/2 44 5/8 14 1/4
3 1/2 G 45 1/4 14 1/2 5
3 3/4 G 1/2 45 7/8 14 3/4 6
4 H 1/2 46 1/2 15 7
4 1/4 I 47 1/8 15 1/4
4 1/2 I 1/2 47 3/4 15 1/2 8
4 3/4 J 48 3/4
5 J 1/2 49 15 3/4 9
5 1/4 K 49 5/8 16
5 1/2 K 1/2 50 1/4 16 1/4 10
5 3/4 L 50 7/8 11
6 L 1/2 51 1/2 16 1/2 12
6 1/4 M 52 1/8 16 3/4
6 1/2 M 1/2 52 3/8 17 13
6 3/4 N 53 3/8
7 O 54 17 1/4 14
7 1/4 O 1/2 54 5/8 17 1/2
7 1/2 P 55 1/4 17 3/4 15
7 3/4 P 1/2 55 7/8
8 Q 56 1/2 18 16
8 1/4 Q 1/2 57 1/8 18 1/4
8 1/2 R 57 3/4 18 1/2 17
8 3/4 R 1/2 58 3/8 18 3/4
9 S 59 19 18
9 1/4 S 1/2 59 5/8 19 1/4
9 1/2 S 3/4 60 7/8 19 1/2 19
9 3/4 T 61 1/4 19 3/4
10 T 1/2 61 1/2 20 20
10 1/4 U 62 1/8 20 1/4 21
10 1/2 U 1/2 62 3/4 20 1/2 22
10 3/4 V 63 3/8 20 3/4
11 V 1/2 64 21 23

 

Don't know your size? Measure your finger.

Bocaj Narima Ring size guide
  

 

You can also measure the inside-diameter of a ring that properly fits the intended finger and use the info below to convert it to US ring size.