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View Guide #2: Visual Ring Circles →
| US Size | Diameter (mm) | Diameter (inches) | Circumference (mm) | Circumference (inches) |
|---|---|---|---|---|
| 3 | 14.05 | 9/16" | 44.1 | 1 3/4" |
| 3.5 | 14.45 | 9/16" | 45.4 | 1 13/16" |
| 4 | 14.86 | 19/32" | 46.7 | 1 7/8" |
| 4.5 | 15.27 | 19/32" | 48.0 | 1 7/8" |
| 5 | 15.70 | 5/8" | 49.3 | 1 15/16" |
| 5.5 | 16.10 | 5/8" | 50.6 | 2" |
| 6 | 16.51 | 21/32" | 51.9 | 2 1/16" |
| 6.5 | 16.92 | 11/16" | 53.1 | 2 1/8" |
| 7 | 17.35 | 11/16" | 54.5 | 2 3/16" |
| 7.5 | 17.75 | 11/16" | 55.7 | 2 3/16" |
| 8 | 18.19 | 23/32" | 57.2 | 2 1/4" |
| 8.5 | 18.61 | 23/32" | 58.5 | 2 5/16" |
| 9 | 19.04 | 3/4" | 59.8 | 2 3/8" |
| 9.5 | 19.45 | 3/4" | 61.1 | 2 7/16" |
| 10 | 19.84 | 25/32" | 62.3 | 2 7/16" |
| 10.5 | 20.20 | 13/16" | 63.5 | 2 1/2" |
| 11 | 20.68 | 13/16" | 65.0 | 2 9/16" |
| 11.5 | 21.08 | 13/16" | 66.2 | 2 5/8" |
| 12 | 21.49 | 27/32" | 67.5 | 2 11/16" |
| 12.5 | 21.89 | 27/32" | 68.8 | 2 11/16" |
| 13 | 22.33 | 7/8" | 70.1 | 2 3/4" |
| 13.5 | 22.73 | 7/8" | 71.4 | 2 13/16" |
| 14 | 23.16 | 29/32" | 72.7 | 2 7/8" |
| 14.5 | 23.57 | 15/16" | 73.9 | 2 15/16" |
| 15 | 23.98 | 15/16" | 75.3 | 2 15/16" |
| 15.5 | 24.38 | 31/32" | 76.6 | 3" |
| 16 | 24.79 | 31/32" | 77.9 | 3 1/16" |
⚠️ Print at exactly 100% scale. Cut out the strip below. Wrap snugly around your finger and note where the arrow meets the strip to find your size.
Cut along the outer border. Wrap around finger. Where the strip overlaps the START arrow = your size.
A Little Magic in Every Story.
