How to Measure Your Ring Size at Home
Using String or Floss
- Wrap it around the base of your finger.
- Mark where the ends meet.
- Measure the length with a ruler (mm).
- Compare with a ring size chart.
Measure an Existing Ring
- Use a ring that fits the finger.
- Measure the inner diameter in millimeters.
- Check a size chart to find your match.
Printable Ring Sizer
- Download a printable ring sizer template.
- Print at 100% scale and follow the guide.
- Check scale accuracy with a ruler.
Tips
- Measure at the end of the day.
- Avoid cold fingers - they shrink!
- Ring should slide over your knuckle snugly.
Ø Dia (mm) ⭕ Circ. (mm) US Size UK Size EU Size FR Size AS Size
1547.14H15477
15.147.44.25H½-47.5-
15.348.14.5I15.25488
15.548.74.75J15.548.5-
15.649.35J½15.75499
15.950.05.25K1650-
16.250.65.5K½16.2550.510
16.451.25.75L-5111
16.651.96L½16.55212
16.952.56.25M16.7552.5-
17.353.16.5M½175313
17.553.86.75N-54-
17.754.47N½17.2554.514
18.255.17.25O17.555-
18.555.77.5O½17.755615
18.856.37.75P1856.5-
19.157.08P½-5716
19.357.68.25Q18.2558-
19.558.38.5Q½18.558.517
19.858.98.75R18.7559-
20.059.59R½196018
20.360.29.25S19.2560.5-
20.660.89.5S½19.56119
20.861.49.75T19.75--
21.162.110T½19.756220
21.362.710.25U206321
21.563.410.5U½-63.522
21.864.010.75V20.564-
22.064.611V½20.756523
22.265.311.25W-65.5-
22.565.911.5W½216624
22.866.611.75X21.2567-
23.067.312X½21.567.525
23.368.012.25Y-68-
23.568.512.5Z21.756926
23.869.112.75Z½-69.5-
24.069.713-227027