Ring Size Converter → Men's ring size chart
Men's ring size chart
The average men's ring size is about US 10 (UK T½, EU 62), with most men between US 9 and 11. Find the exact match by measuring or using the converter.
Men's sizes — full conversions
| US / CA | UK / AU | Europe | Japan | Diameter (mm) | Circumference (mm) |
|---|---|---|---|---|---|
| 7 | N½ | 54 | 13 | 17.3 | 54.4 |
| 7.5 | O½ | 55½ | 14 | 17.7 | 55.7 |
| 8 | P½ | 57 | 16 | 18.1 | 57.0 |
| 8.5 | Q½ | 58 | 17 | 18.5 | 58.3 |
| 9 | R½ | 59½ | 18 | 19.0 | 59.5 |
| 9.5 | S½ | 61 | 19 | 19.4 | 60.8 |
| 10 | T½ | 62 | 20 | 19.8 | 62.1 |
| 10.5 | U½ | 63½ | 22 | 20.2 | 63.5 |
| 11 | V½ | 65 | 23 | 20.6 | 64.6 |
| 11.5 | W½ | 66 | 24 | 21.0 | 65.9 |
| 12 | Y | 67½ | 25 | 21.4 | 67.2 |
| 12.5 | Z | 68½ | 26 | 21.8 | 68.4 |
| 13 | Z+1 | 70 | 27 | 22.2 | 69.7 |
Frequently asked questions
What is the average men's ring size?
The average men's ring size is about US 10 (UK T½, EU 62). Most men fall between US 9 and 11; larger builds often 11–13.
How do I measure a man's ring size?
Measure the inside diameter of a ring he already wears (about 19–21 mm for average men), or wrap a strip of paper around the base of his finger and measure the millimeters, then match it on the chart. Men's fingers are often widest at the knuckle, so size to slide over it comfortably.
What is the most common men's wedding band size?
US 9 to 10 covers most men. If you can't measure and must guess, US 10 is the safest single choice for an average adult man.
Do wide men's bands fit differently?
Yes. Wider bands (6–8 mm+, common for men) fit more snugly, so size up about a quarter to a half size versus a thin band.