Talla del anillo
| Diámetro en MM (Interior) | Circunferencia en MM (Interior) | Estados Unidos y Canadá | Reino Unido/Australia | India/China/Japón |
| 9.9 | 31.1 | 0 | · | · |
| 10.7 | 33.7 | 0 | · | · |
| 11.5 | 36.2 | 0 | · | · |
| 12 | 37.5 | 2 de enero | A | · |
| 12.2 | 38.3 | 4 de marzo | Un 1/2 | · |
| 12.4 | 38.9 | 1 | B | 1 |
| 12.6 | 39.6 | 1 1/4 | B 1/2 | · |
| 12.8 | 40.2 | 1 1/2 | do | · |
| 13 | 40.8 | 1 3/4 | C 1/2 | · |
| 13.2 | 41.5 | 2 | D | 2 |
| 13.4 | 42.1 | 2 1/4 | D 1/2 | · |
| 13.6 | 42.8 | 2 1/2 | mi | 3 |
| 13.8 | 43.5 | 2 3/4 | E 1/2 | · |
| 14 | 44.1 | 3 | F | 4 |
| 14.2 | 44.5 | 3 1/8 | F 1/2 | · |
| 14.3 | 44.8 | 3 1/4 | F 3/4 | · |
| 14.4 | 45.1 | 3 3/8 | GRAMO | 5 |
| 14.5 | 45.4 | 3 1/2 | Sol 1/4 | · |
| 14.6 | 45.7 | 3 5/8 | Sol 1/2 | 6 |
| 14.7 | 46 | 3 3/4 | yo | · |
| 14.9 | 46.7 | 4 | Alto 1/2 | 7 |
| 15 | 47.3 | 4 1/4 | I | · |
| 15.3 | 48 | 4 1/2 | Yo 1/2 | 8 |
| 15.4 | 48.4 | 4 5/8 | Yo | · |
| 15.5 | 48.8 | 4 3/4 | J 1/4 | · |
| 15.7 | 50.3 | 5 | J 1/2 | 9 |
| 15.8 | 50.6 | 5 1/8 | K | · |
| 15.9 | 50 | 5 1/4 | K 1/4 | · |
| 16 | 50.3 | 5 3/8 | K 1/2 | 10 |
| 16.1 | 50.6 | 5 1/2 | yo | · |
| 16.3 | 51.2 | 5 3/4 | Largo 1/4 | · |
| 16.4 | 51.6 | 5 7/8 | 1/2 largo | · |
| 16.5 | 51.9 | 6 | METRO | 12 |
| 16.7 | 52,5 | 6 1/4 | M 1/2 | · |
| 16.9 | 53.2 | 6 1/2 | norte | 13 |
| 17.1 | 53.8 | 6 3/4 | Número 1/2 | · |
| 17.4 | 54.5 | 7 | Oh | 14 |
| 17.5 | 54.8 | 7 1/4 | O 1/2 | · |
| 17.8 | 55.8 | 7 1/2 | PAG | 15 |
| 18 | 56,5 | 7 3/4 | Pág. 1/2 | · |
| 18.2 | 57.1 | 8 | Q | 16 |
| 18.4 | 57,7 | 8 1/4 | Pregunta 1/2 | · |
| 18.5 | 58.2 | 8 1/2 | Pregunta 3/4 | 17 |
| 18.6 | 58,5 | 8 5/8 | R | · |
| 18.7 | 58,7 | 8 3/4 | R1/4 | · |
| 18.8 | 59.1 | 8 7/8 | R1/2 | · |
| 18.9 | 59.3 | 9 | R3/4 | 18 |
| 19.1 | 60 | 9 1/8 | S | · |
| 19.2 | 60.4 | 9 1/4 | S 1/4 | · |
| 19.3 | 60.7 | 9 3/8 | S 1/2 | · |
| 19.4 | 61 | 9 1/2 | S 3/4 | 19 |
| 19.5 | 61.3 | 9 5/8 | yo | · |
| 19.6 | 61.6 | 9 3/4 | T1/4 | · |
| 19.8 | 62.3 | 10 | T1/2 | 20 |
| 20 | 62.9 | 10 1/4 | tú | 21 |
| 20.2 | 63,5 | 10 1/2 | tú 1/2 | 22 |
| 20.3 | 63.8 | 10 5/8 | V | · |
| 20.4 | 64.2 | 10 3/4 | V 1/4 | · |
| 20.7 | 65 | 11 | V 1/2 | 23 |
| 20.8 | 65.2 | 11 1/8 | Yo | · |
| 20.9 | 65,5 | 11 1/4 | Ancho 1/4 | · |
| 20.9 | 65,8 | 11 3/8 | Ancho 1/2 | · |
| 21 | 66.2 | 11 1/2 | O 3/4 | 24 |
| 21.2 | 66,5 | 11 5/8 | incógnita | · |
| 21.2 | 66,7 | 11 3/4 | X1/4 | · |
| 21.3 | 66,9 | 11 7/8 | X 1/2 | · |
| 21.5 | 67,5 | 12 | Y | 25 |
| 21.7 | 68.1 | 12 1/4 | Año 1/2 | · |
| 21.9 | 68.8 | 12 1/2 | O | 26 |
| 22.1 | 69.4 | 12 3/4 | Z+1/2 | · |
| 22.3 | 70.2 | 13 | Z+1 | 27 |
| 22.6 | 71 | 13.5 | Z+1,5 | · |
| 22.7 | 71.3 | · | Z+2 | · |
| 22.9 | 72 | · | Z+2,5 | · |
| 23 | 72,5 | · | Z+3 | · |
| 23.3 | 73 | · | Z+3,5 | · |
| 23.5 | 73.7 | · | Z+4 | · |
| 23.6 | 74 | · | Z+4,5 | · |
| 23.9 | 75 | · | Z+5 | · |
| 24.3 | 76.2 | · | Z+6 | · |