Tips for finding your ring size:
- Measure your finger in warm temperatures at the end of the day.
- If your knuckle is a lot larger than the base of your finger, use Method B below, except measure both the base of your finger and your knuckle and select a size in between the two.
Tips if you’re buying the ring as a surprise:
- Ask your intended recipient’s mother or friend if they know his/her finger size.
- Borrow one of your intended recipient’s rings and use Method A below. (Make sure to borrow a ring that fits the finger you intend your gift ring to fit.)
Other tips and information:
- When considering a wide band, move up a size from your measurement, for comfort’s sake.
- Different countries have different ring-size systems. All sizes listed here are standard American sizes.
- The average woman’s ring size is about 6. The average man’s ring size is about 10.
- Your ring size will be about half a size larger on your primary hand (i.e., the hand you write with)
Size Chart
Diameter (inch) | Diam (mm) | Circum (mm) | British | French | German | Japan/China | Swiss | USA |
0.52 | 13.21 | 41.5 | D | 41 1/2 | 13 1/2 | 2 | 1 1/2 | 2 |
0.536 | 13.61 | 42.7 | E | 42 3/4 | 13 3/4 | 3 | 2 3/4 | 2 1/2 |
0.553 | 14.05 | 44 | F | 44 | 14 | 4 | 4 | 3 |
14.36 | 44.9 | G | 45 1/4 | 5 | 5 1/4 | 3 3/8 | ||
14.56 | 45.6 | G 1/2 | 6 | 3 5/8 | ||||
0.585 | 14.86 | 46.5 | H 1/2 | 15 | 7 | 4 | ||
0.601 | 15.27 | 47.8 | I 1/2 | 15 1/4 | 8 | 4 1/2 | ||
0.618 | 15.7 | 49 | J 1/2 | 15 3/4 | 9 | 5 | ||
16 | 50 | K 1/1 | 10 | 5 3/8 | ||||
0.65 | 16.51 | 51.5 | M | 52 3/4 | 16 1/2 | 12 | 12 3/4 | 6 |
0.666 | 16.92 | 52.8 | N | 54 | 17 | 13 | 14 | 6 1/2 |
0.683 | 17.35 | 54 | O | 55 1/4 | 17 1/4 | 14 | 15 1/4 | 7 |
0.699 | 17.75 | 55.3 | P | 56 1/2 | 17 3/4 | 15 | 16 1/2 | 7 1/2 |
0.716 | 18.19 | 56.6 | Q | 57 3/4 | 18 | 16 | 17 3/4 | 8 |
0.732 | 18.53 | 57.8 | 18 1/2 | 17 | 8 1/2 | |||
0.748 | 18.89 | 59.1 | 19 | 18 | 9 | |||
0.764 | 19.41 | 60.3 | 19 1/2 | 19 | 9 1/2 | |||
0.781 | 19.84 | 61.3 | T 1/2 | 20 | 20 | 10 | ||
20.02 | 62.02 | U | 62 3/4 | 21 | 22 3/4 | 10 1/4 | ||
0.797 | 20.2 | 62.8 | U 1/2 | 20 1/4 | 22 | 10 1/2 | ||
0.814 | 20.68 | 64.1 | V 1/2 | 20 3/4 | 23 | 11 | ||
21.08 | 65.3 | 21 | 24 | 11 1/2 | ||||
0.846 | 21.49 | 66.6 | Y | 67 1/2 | 21 1/4 | 25 | 27 1/2 | 12 |
0.862 | 21.89 | 67.9 | Z | 68 3/4 | 21 3/4 | 26 | 28 3/4 | 12 1/2 |
0.879 | 22.33 | 69.1 | 22 | 27 | 13 |