If you want to measure your ring size at home, be sure to check out our guide on How to check ring size at home.
I have my ring size in US / HK size, how do I convert it to Australian ring size?
Easy! Checkout our comprehensive ring size conversion table below or alternatively, use our ring size convertor at the bottom of the page to do the conversion for you.
| Dia. (mm) | Circ. (mm) | AUS & UK | US | EU | HK |
|---|---|---|---|---|---|
| 11.63 | 36.5 | 0 | |||
| 11.84 | 37.2 | 1⁄4 | |||
| 12.04 | 37.8 | A | 1⁄2 | ||
| 12.24 | 38.5 | A +1⁄2 | 3⁄4 | ||
| 12.45 | 39.1 | B | 1 | ||
| 12.65 | 39.7 | B +1⁄2 | 1 +1⁄4 | ||
| 12.85 | 40.4 | C | 1 +1⁄2 | ||
| 13.06 | 41.0 | C +1⁄2 | 1 +3⁄4 | 3 | |
| 13.26 | 41.7 | D | 2 | 4 | |
| 13.46 | 42.3 | D +1⁄2 | 2 +1⁄4 | ||
| 13.67 | 42.9 | E | 2 +1⁄2 | 5 | |
| 13.87 | 43.6 | E +1⁄2 | 2 +3⁄4 | ||
| 14.07 | 44.2 | F | 3 | 6 | |
| 14.27 | 44.8 | F +1⁄2 | 3 +1⁄4 | ||
| 14.48 | 45.5 | G | 3 +1⁄2 | 7 | |
| 14.68 | 46.1 | G +1⁄2 | 3 +3⁄4 | 46 | |
| 14.88 | 46.8 | H | 4 | 47 | 8 |
| 15.09 | 47.4 | H +1⁄2 | 4 +1⁄4 | 9 | |
| 15.29 | 48.0 | I | 4 +1⁄2 | 48 | |
| 15.49 | 48.7 | J | 4 +3⁄4 | 10 | |
| 15.70 | 49.3 | J +1⁄2 | 5 | 49 | 11 |
| 15.90 | 50.0 | K | 5 +1⁄4 | 50 | |
| 16.10 | 50.6 | K +1⁄2 | 5 +1⁄2 | 12 | |
| 16.31 | 51.2 | L | 5 +3⁄4 | 51 | |
| 16.51 | 51.9 | L +1⁄2 | 6 | 52 | 13 |
| 16.71 | 52.5 | M | 6 +1⁄4 | ||
| 16.92 | 53.1 | M +1⁄2 | 6 +1⁄2 | 53 | 14 |
| 17.12 | 53.8 | N | 6 +3⁄4 | 54 | 15 |
| 17.32 | 54.4 | N +1⁄2 | 7 | ||
| 17.53 | 55.1 | O | 7 +1⁄4 | 55 | 16 |
| 17.73 | 55.7 | O +1⁄2 | 7 +1⁄2 | ||
| 17.93 | 56.3 | P | 7 +3⁄4 | 56 | 17 |
| 18.14 | 57.0 | P +1⁄2 | 8 | 57 | |
| 18.34 | 57.6 | P +3⁄4 | 8 +1⁄4 | 18 | |
| 18.54 | 58.3 | Q +1⁄4 | 8 +1⁄2 | 58 | 19 |
| 18.75 | 58.9 | R | 8 +3⁄4 | 59 | |
| 18.95 | 59.5 | R +1⁄2 | 9 | 20 | |
| 19.15 | 60.2 | S | 9 +1⁄4 | 60 | |
| 19.35 | 60.8 | S +1⁄2 | 9 +1⁄2 | 61 | 21 |
| 19.56 | 61.4 | T | 9 +3⁄4 | 22 | |
| 19.76 | 62.1 | T +1⁄2 | 10 | 62 | |
| 19.96 | 62.7 | U | 10 +1⁄4 | 63 | 23 |
| 20.17 | 63.4 | U +1⁄2 | 10 +1⁄2 | ||
| 20.37 | 64.0 | V | 10 +3⁄4 | 64 | 24 |
| 20.57 | 64.6 | V +1⁄2 | 11 | ||
| 20.78 | 65.3 | W | 11 +1⁄4 | 65 | 25 |
| 20.98 | 65.9 | W +1⁄2 | 11 +1⁄2 | 66 | 26 |
| 21.18 | 66.6 | X | 11 +3⁄4 | ||
| 21.39 | 67.2 | X +1⁄2 | 12 | 67 | 27 |
| 21.59 | 67.8 | Y | 12 +1⁄4 | 68 | 28 |
| 21.79 | 68.5 | Y +1⁄2 | 12 +1⁄2 | 29 | |
| 22.00 | 69.1 | Z | 12 +3⁄4 | 69 | |
| 22.20 | 69.7 | Z +1⁄2 | 13 | 70 | 30 |
| 22.40 | 70.4 | Z1 | 13 +1⁄4 | ||
| 22.61 | 71.0 | 13 +1⁄2 | 71 | ||
| 22.81 | 71.7 | Z2 | 13 +3⁄4 | ||
| 23.01 | 72.3 | Z3 | 14 | 72 | |
| 23.22 | 72.9 | 14 +1⁄4 | 73 | ||
| 23.42 | 73.6 | Z4 | 14 +1⁄2 | ||
| 23.62 | 74.2 | 14 +3⁄4 | 74 | ||
| 23.83 | 74.8 | 15 | |||
| 24.03 | 75.5 | 15 +1⁄4 | |||
| 24.23 | 76.1 | 15 +1⁄2 | |||
| 24.43 | 76.8 | 15 +3⁄4 | |||
| 24.64 | 77.4 | 16 |
