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If you are in-between those sizes,
we recommend ordering the upper limit.
| US/Canada | UK/Australia |
|---|---|
| 5 | J |
| 6 | L |
| 7 | N |
| 8 | P |
| 9 | R |
| 10 | T |
| 11 | V |
| 12 | Y |
| 13 | Z |
Method 2: Measure an existing ring
- step 1. Select an existing ring
- step 2. Measure the inner diameter
(mm)
| Ring Size | Inner Diameter |
|---|---|
| US 5 | 15.7 mm |
| US 6 | 16.5 mm |
| US 7 | 17.3 mm |
| US 8 | 18.1 mm |
| US 9 | 18.9 mm |
| US 10 | 19.8 mm |
| US 11 | 20.4 mm |
| US 12 | 21.5 mm |
| US 13 | 22.2 mm |
Method 3: Measure your finger
step 1. Cut a strip of paper
step 2. Wrap it around the finger
step 3. Mark the spot, where paper meets 
step 4. Measure with the ruler (mm)
step 1. Cut a strip of paper
step 2. Wrap it around the finger
step 3. Mark the spot, where paper meets 
step 4. Measure with the ruler (mm)| Ring Size | Measurement |
|---|---|
| US 5 | 49.2 mm |
| US 6 | 51.8 mm |
| US 7 | 54.5 mm |
| US 8 | 57.0 mm |
| US 9 | 59.2 mm |
| US 10 | 62.3 mm |
| US 11 | 64.2 mm |
| US 12 | 67.5 mm |
| US 13 | 70.1 mm |
Still Unsure?
Our Customer Support team can help
with any other questions you have.