WITHIN · SIZES · Updated 8 September 2026
Tom Wood size chart
Every Tom Wood chart we could read, side by side, with its source and the day it was read.
- Charts: 1 chart, 14 sizes
- Systems: Ring size, Inner diameter (mm) and Inner circumference (mm)
- Sources: Tom Wood
- Read: 8 September 2026
Tom Wood rings, unisex
| Ring size | Inner diameter (mm) | Inner circumference (mm) |
|---|---|---|
| 42 | 13.4 | 42.13 |
| 44 | 14.0 | 44.14 |
| 46 | 14.5 | 45.74 |
| 48 | 15.3 | 47.97 |
| 50 | 15.9 | 49.95 |
| 52 | 16.5 | 51.87 |
| 54 | 17.2 | 53.87 |
| 56 | 17.8 | 55.76 |
| 58 | 18.5 | 58.21 |
| 60 | 19.2 | 60.38 |
| 62 | 19.8 | 62.33 |
| 64 | 20.4 | 64.21 |
| 66 | 21.0 | 66.22 |
| 68 | 21.8 | 68.5 |
Source: Tom Wood (tomwoodproject.com), read 8 September 2026.
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Other size charts
Sources
- Tom Wood: Tom Wood's own rings chart with the inside of the ring measured. tomwoodproject.com, read 8 September 2026.