Men’s ring size guide
Most men wear a US 9–10. Measure properly, account for wide bands, and convert to any system below.
Your size is US 9 (UK R½, EU 60).
Fit confidence Exact table match
Measurement confidence 70/100 · Medium Standard chart conversion; final fit still depends on band width and knuckle shape. Confirm with a printable or physical sizer before ordering an expensive ring.
- US
- 9
- UK
- R½
- EU / ISO
- 60
- Japan
- 18
- CH / IT / ES
- 20
- Ø mm
- 18.95
- Circ mm
- 59.5
| US | UK | EU | JP | CH | Ø mm | Circ mm |
|---|---|---|---|---|---|---|
| 3 | F½ | 44 | 4 | 4 | 14.07 | 44.2 |
| 3.5 | G½ | 45 | 5 | 5 | 14.48 | 45.5 |
| 4 | H½ | 47 | 7 | 7 | 14.88 | 46.8 |
| 4.5 | I½ | 48 | 8 | 8 | 15.29 | 48.0 |
| 5 | J½ | 49 | 9 | 9 | 15.70 | 49.3 |
| 5.5 | K½ | 51 | 10 | 11 | 16.10 | 50.6 |
| 6 | L½ | 52 | 12 | 12 | 16.51 | 51.9 |
| 6.5 | M½ | 53 | 13 | 13 | 16.92 | 53.1 |
| 7 | N½ | 54 | 14 | 14 | 17.32 | 54.4 |
| 7.5 | O½ | 56 | 15 | 16 | 17.73 | 55.7 |
| 8 | P½ | 57 | 16 | 17 | 18.14 | 57.0 |
| 8.5 | Q½ | 58 | 17 | 18 | 18.54 | 58.3 |
| 9 | R½ | 60 | 18 | 20 | 18.95 | 59.5 |
| 9.5 | S½ | 61 | 19 | 21 | 19.35 | 60.8 |
| 10 | T½ | 62 | 20 | 22 | 19.76 | 62.1 |
| 10.5 | U½ | 63 | 22 | 23 | 20.17 | 63.4 |
| 11 | V½ | 65 | 23 | 25 | 20.57 | 64.6 |
| 11.5 | W½ | 66 | 24 | 26 | 20.98 | 65.9 |
| 12 | Y | 67 | 25 | 27 | 21.39 | 67.2 |
| 12.5 | Z | 68 | 26 | 28 | 21.79 | 68.5 |
| 13 | Z½ | 70 | 27 | 30 | 22.20 | 69.7 |
Average and common men’s sizes
- Average: US 9–10 (UK R½–T½, EU 60–62).
- Most men: US 8–11 (≈18.1–20.6 mm diameter).
- Wide bands (6 mm+) fit tighter — size up a quarter to half size.
Measure with the at-home guide or the
on-screen sizer, and remember a wide band needs a touch more room.
Frequently asked questions
What is the average men’s ring size?
The most common men’s ring size is US 9 to 10 (UK R½–T½, EU 60–62, about 19–20 mm diameter). Sizes 8 to 11 fit most men.
How should a men’s wedding band fit?
Snug enough that it won’t slip off but loose enough to pass the knuckle. Men’s bands are often wide, which fits tighter — size up a quarter to half size for bands 6 mm and wider.
What size is a size 10 men’s ring in mm?
US 10 is 19.8 mm inner diameter (62.1 mm circumference), UK T½, EU 62.