Guía de tallas / Size guide / Größentabelle

Inside diameter Inside circumference Sizes (mm) (mm) ISO (Continental Europe) United States, Canada and Mexico United Kingdom, Ireland, Australia, South Africa and New Zealand East Asia (China, Japan, South Korea), South America India Italy, Spain, Switzerland 11.63 36.5 0 11.84 37.2 1⁄4 12.04 37.8 1⁄2 A 12.24 38.5 3⁄4 A+1⁄2 12.45 39.1 1 B 1 12.65 39.7 1+1⁄4 B+1⁄2 12.85 40.4 1+1⁄2 C 0.4 13.06 41.0 1+3⁄4 C+1⁄2 1 1 13.26 41.7 2 D 2 2 1.7 13.46 42.3 2+1⁄4 D+1⁄2 2.3 13.67 42.9 2+1⁄2 E 3 3 2.9 13.87 43.6 2+3⁄4 E+1⁄2 4 3.6 14.07 44.2 3 F 4 4.2 14.27 44.8 3+1⁄4 F+1⁄2 5 5 4.8 14.48 45.5 3+1⁄2 G 5.5 14.68 46.1 3+3⁄4 G+1⁄2 6 6 6.1 14.88 46.8 4 H 7 6.8 15.09 47.4 4+1⁄4 H+1⁄2 7 7.4 15.29 48.0 4+1⁄2 I 8 8 8 15.49 48.7 4+3⁄4 J 9 8.7 15.70 49.3 5 J+1⁄2 9 9.3 15.90 50.0 5+1⁄4 K 10 10 16.10 50.6 5+1⁄2 K+1⁄2 10 10.6 16.31 51.2 5+3⁄4 L 11 11.2 16.51 51.9 6 L+1⁄2 11 12 11.9 16.71 52.5 6+1⁄4 M 12 12.5 16.92 53.1 6+1⁄2 M+1⁄2 13 13 13.1 17.12 53.8 6+3⁄4 N 13.8 17.32 54.4 7 N+1⁄2 14 14 14.4 17.53 55.1 7+1⁄4 O 15 15.1 17.73 55.7 7+1⁄2 O+1⁄2 15 15.7 17.93 56.3 7+3⁄4 P 16 16.3 18.14 57.0 8 P+1⁄2 16 17 17 18.34 57.6 8+1⁄4 P+3⁄4 17.6 18.54 58.3 8+1⁄2 Q+1⁄4 17 18 18.3 18.75 58.9 8+3⁄4 R 19 18.9 18.95 59.5 9 R+1⁄2 18 19.5 19.15 60.2 9+1⁄4 S 20 20.2 19.35 60.8 9+1⁄2 S+1⁄2 19 21 20.8 19.56 61.4 9+3⁄4 T 21.4 19.76 62.1 10 T+1⁄2 20 22 22.1 19.96 62.7 10+1⁄4 U 21 23 22.7 20.17 63.4 10+1⁄2 U+1⁄2 22 23.4 20.37 64.0 10+3⁄4 V 24 24 20.57 64.6 11 V+1⁄2 23 25 24.6 20.78 65.3 11+1⁄4 W 25.3 20.98 65.9 11+1⁄2 W+1⁄2 24 26 25.9 21.18 66.6 11+3⁄4 X 26.6 21.39 67.2 12 X+1⁄2 25 27 27.2 21.59 67.8 12+1⁄4 Y 28 27.8 21.79 68.5 12+1⁄2 Y+1⁄2 26 28.5 22.00 69.1 12+3⁄4 Z 29 29.1 22.20 69.7 13 Z+1⁄2 27 30 29.7 22.40 70.4 13+1⁄4 Z1 30.4 22.61 71.0 13+1⁄2 31 31 22.81 71.7 13+3⁄4 Z2 32 31.7 23.01 72.3 14 Z3 32.3 23.22 72.9 14+1⁄4 33 32.9 23.42 73.6 14+1⁄2 Z4 33.6 23.62 74.2 14+3⁄4 34 34.2 23.83 74.8 15 35 34.8 24.03 75.5 15+1⁄4 35.5 24.23 76.1 15+1⁄2 36 36.1 24.43 76.8 15+3⁄4 36.8 24.64 77.4 16 37 37.4

 

*source https://en.wikipedia.org/wiki/Ring_size