Step 1: Take a string
Step 2: Measure the ring end-to-end
Step 3: Unroll the paper strip and measure with a ruler from the edge to the pen mark.
This is your finger’s circumference
Step 4: Use the table below to see your ring size, if it falls in the middle of two
sizes, pick the larger one
| Internal diameter (mm) |
Ring Size |
| 15.9 |
10 |
| 16.3 |
11 |
| 16.6 |
12 |
| 16.9 |
13 |
| 17.3 |
14 |
| 17.6 |
15 |
| 17.9 |
16 |
| 18.3 |
17 |
| 18.6 |
18 |
| 18.9 |
19 |
| 19.2 |
20 |
Step 1: Take a strip of paper
Step 2: Wrap this around your finger tightly, mark with a pen where the paper meets
Step 3: Put it on a ruler and you now have the internal diameter of your ring
Step 4: Use the table below to see your ring size, if it falls in the middle of two
sizes, pick the larger one
| CIRCUMFERENCE (MM) |
INTERNATIONAL RING SIZE |
| 50 |
10 |
| 51 |
11 |
| 52 |
12 |
| 53 |
13 |
| 54 |
14 |
| 55 |
15 |
| 56 |
16 |
| 57 |
17 |
| 58 |
18 |
| 59 |
19 |
| 60 |
20 |
