Ring Size
International Ring Size Conversion Chart
Sizes | Diameter (Inside) |
Circumference (Inside) |
||||||
# | China | USA Canada |
UK Australia |
Europe | mm | inches | mm | inches |
#03 | 3 | 2.5 | E | 43 | 13.7 | 0.54 | 42.9 | 1.69 |
#04 | 4 | 3 | F | 44 | 14.0 | 0.55 | 44.0 | 1.73 |
#05 | 5 | 3.5 | G | 45 | 14.3 | 0.56 | 45.0 | 1.77 |
#06 | 6 | 3.5-4 | G-H | 46 | 14.7 | 0.58 | 46.1 | 1.81 |
#07 | 7 | 4-4.5 | H-I | 47 | 15.0 | 0.59 | 47.1 | 1.85 |
#08 | 8 | 4.5-5 | I-J | 48 | 15.3 | 0.60 | 48.0 | 1.89 |
#09 | 9 | 5 | J | 49 | 15.7 | 0.62 | 49.2 | 1.93 |
#10 | 10 | 5.5 | K | 50 | 16.0 | 0.63 | 50.3 | 1.98 |
#11 | 11 | 6 | L | 51 | 16.3 | 0.64 | 51.3 | 2.02 |
#12 | 12 | 6.5 | L-M | 52 | 16.7 | 0.66 | 52.4 | 2.06 |
#13 | 13 | 6.5-7 | M-N | 53 | 17.0 | 0.67 | 53.4 | 2.10 |
#14 | 14 | 7-7.5 | N-O | 54 | 17.3 | 0.68 | 54.5 | 2.14 |
#15 | 15 | 7.5-8 | O-P | 55 | 17.7 | 0.70 | 55.5 | 2.18 |