Ring Size Conversion Chart
Ring Size Systems, Codes:
UK/AU: United Kingdom (UK), Ireland, Australia and New Zealand ring size system
US: USA (US), Canada and Mexico ring size system
JP/CH/SA: Japan, China and South America ring size system
IT/ES/NL: Italy, Spain, Netherlands and Switzerland ring size system
FR/DE/SC: France, Germany, Belgium, Austria and Scandinavia (Norway, Sweden, Denmark) ring size system
IN: India ring size system
Want to Determine Ring Size?:
US, Canada, Mexico ring size chart (Inches)
UK, Ireland, Australia, NZ ring size chart (Inches and MM)
Japan, China and South America ring size chart (MM)
Italy, Spain, Netherlands ring size chart (MM)
France, Belgium, EU, Scandinavia ring size chart (MM)
India ring size chart (MM)
Ring Size Converter
| UK AU |
US | JP CH SA |
IT ES NL |
FR DE SC |
IN |
| . | |||||
| - | 0 | - | - | 36 | - |
| - | 1/4 | - | - | 37 | - |
| A | 1/2 | - | - | 38 | - |
| A 1/2 | 3/4 | - | - | 39 | - |
| B | 1 | 1 | - | 39 | - |
| B 1/2 | 1 1/4 | - | - | 40 | - |
| C | 1 1/2 | - | 0.5 | 40 | - |
| C 1/2 | 1 3/4 | - | 1 | 41 | 1 |
| D | 2 | 2 | 1.75 | 42 | 2 |
| D 1/2 | 2 1/4 | - | 2.25 | 42 | - |
| E | 2 1/2 | 3 | 3 | 43 | 3 |
| E 1/2 | 2 3/4 | - | 3.5 | 44 | 4 |
| F | 3 | 4 | 4.25 | 44 | - |
| F 1/2 | 3 1/4 | 5 | 4.75 | 45 | 5 |
| G | 3 1/2 | - | 5.5 | 46 | - |
| G 1/2 | 3 3/4 | 6 | 6 | 46 | 6 |
| H | 4 | 7 | 6.75 | 47 | - |
| H 1/2 | 4 1/4 | - | 7.5 | 47 | 7 |
| I | 4 1/2 | 8 | 8 | 48 | 8 |
| J | 4 3/4 | - | 8.75 | 49 | 9 |
| J 1/2 | 5 | 9 | 9.25 | 49 | - |
| K | 5 1/4 | - | 10 | 50 | 10 |
| K 1/2 | 5 1/2 | 10 | 10.5 | 51 | - |
| L | 5 3/4 | - | 11.25 | 51 | 11 |
| L 1/2 | 6 | 11 | 11.75 | 52 | 12 |
| M | 6 1/4 | 12 | 12.5 | 53 | - |
| M 1/2 | 6 1/2 | 13 | 13.25 | 53 | 13 |
| N | 6 3/4 | - | 13.75 | 54 | - |
| N 1/2 | 7 | 14 | 14.5 | 54 | 14 |
| O | 7 1/4 | - | 15 | 55 | 15 |
| O 1/2 | 7 1/2 | 15 | 15.75 | 56 | - |
| P | 7 3/4 | - | 16.25 | 56 | 16 |
| P 1/2 | 8 | 16 | 17 | 57 | 17 |
| Q | 8 1/4 | - | 17.5 | 58 | - |
| Q 1/2 | 8 1/2 | 17 | 18.25 | 58 | 18 |
| R | 8 3/4 | - | 19 | 59 | 19 |
| R 1/2 | 9 | 18 | 19.5 | 60 | - |
| S | 9 1/4 | - | 20.25 | 60 | 20 |
| S 1/2 | 9 1/2 | 19 | 20.75 | 61 | 21 |
| T | 9 3/4 | - | 21.5 | 61 | - |
| T 1/2 | 10 | 20 | 22 | 62 | 22 |
| U | 10 1/4 | 21 | 22.75 | 63 | 23 |
| U 1/2 | 10 1/2 | 22 | 23.25 | 63 | - |
| V | 10 3/4 | - | 24 | 64 | 24 |
| V 1/2 | 11 | 23 | 24.75 | 65 | 25 |
| W | 11 1/4 | - | 25.25 | 65 | - |
| W 1/2 | 11 1/2 | 24 | 26 | 66 | 26 |
| X | 11 3/4 | - | 26.5 | 67 | - |
| X 1/2 | 12 | 25 | 27.25 | 67 | 27 |
| Y | 12 1/4 | - | 27.75 | 68 | 28 |
| Z | 12 1/2 | 26 | 28.5 | 69 | - |
| Z 1/2 | 12 3/4 | - | 29 | 69 | 29 |
| - | 13 | 27 | 29.75 | 70 | 30 |
| Z 1 | 13 1/4 | - | 30.5 | 70 | - |
| Z 1.5 | 13 1/2 | - | 31 | 71 | 31 |
| Z 2 | 13 3/4 | - | 31.75 | 72 | 32 |
| Z 3 | 14 | - | 32.25 | 72 | - |
| - | 14 1/4 | - | 33 | 73 | 33 |
| Z 4 | 14 1/2 | - | 33.5 | 74 | - |
| Z 5 | 14 3/4 | - | 34.25 | 74 | 34 |
| - | 15 | - | 34.75 | 75 | 35 |