Internal Diameter | US Size |
---|---|
14mm | 3 |
14.5mm | 3.5 |
15mm | 4 |
15.3mm | 4.5 |
15.6mm | 5 |
16.2mm | 5.5 |
16.6mm | 6 |
16.9mm | 6.5 |
17.2mm | 7 |
17.8mm | 7.5 |
18.1mm | 8 |
18.5mm | 8.5 |
19.1mm | 9 |
19.4mm | 9.5 |
19.7mm | 10 |
20.4mm | 10.5 |
20.7mm | 11 |
Measure your finger AT HOME
- Cut a piece of ribbon or piece of string
- Wrap the ribbon or string tightly around the correct finger.
- Make a mark where the ribbon or string meets.
- Measure the distance with a ruler (in mm).
- Compare the mm to our ring size chart.

Circumference | 44.2mm | 45.5mm | 46.8mm | 48.0mm | 49.3mm | 50.6mm | 51.9mm | 53.1mm | 54.4mm | 55.7mm | 57.0mm | 58.3mm | 59.5mm | 60.8mm | 62.1mm | 63.4mm | 64.6mm |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
US Size | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 |
Circumference | 54.4mm | 55.7mm | 57.0mm | 58.3mm | 59.5mm | 60.8mm | 62.1mm | 63.4mm | 64.6mm |
---|---|---|---|---|---|---|---|---|---|
US Size | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 |
Circumference (mm) | US Size |
---|---|
44.2 | 3 |
45.5 | 3.5 |
46.8 | 4 |
48.0 | 4.5 |
49.3 | 5 |
50.6 | 5.5 |
51.9 | 6 |
53.1 | 6.5 |
54.4 | 7 |
55.7 | 7.5 |
57.0 | 8 |
58.3 | 8.5 |
59.5 | 9 |
60.8 | 9.5 |
62.1 | 10 |
63.4 | 10.5 |
64.6 | 11 |