Ring Size Guide
RING SIZE GUIDE
Find Your Perfect Fit
Finding the right ring size should feel simple. Use one of the methods below, then compare your measurement with our size chart.
HOW TO MEASURE
Measure Your Ring Size
01
EXISTING RING
Choose a ring that fits the intended finger. Measure the inside diameter in millimetres and match it to the chart below.
02
YOUR FINGER
Wrap a thin strip of paper or string around the base of your finger. Mark where it meets, then measure the length in millimetres.
03
COMPARE
Match your measurement to the closest AU / UK size in the chart.
SIZE CHART
THÖKERCO Ring Sizes
Use the measurements below to find your closest ring size.
| AU / UK SIZE | US SIZE | INSIDE DIAMETER (MM) | CIRCUMFERENCE (MM) |
|---|---|---|---|
| I | 4 | 14.9 | 46.8 |
| J | 4.5 | 15.3 | 48.0 |
| K | 5 | 15.7 | 49.3 |
| L | 5.5 | 16.1 | 50.6 |
| M | 6 | 16.5 | 51.8 |
| N | 6.5 | 16.9 | 53.1 |
| O | 7 | 17.3 | 54.3 |
| P | 7.5 | 17.7 | 55.6 |
| Q | 8 | 18.1 | 56.9 |
| R | 8.5 | 18.5 | 58.1 |
| S | 9 | 18.9 | 59.4 |
| T | 9.5 | 19.3 | 60.6 |
| U | 10 | 19.7 | 61.9 |
| V | 10.5 | 20.1 | 63.1 |
| W | 11 | 20.5 | 64.4 |
| X | 11.5 | 20.9 | 65.7 |
| Y | 12 | 21.3 | 66.9 |
| Z | 12.5 | 21.7 | 68.2 |
If you are between sizes, we recommend sizing up for a more comfortable fit.
IF YOU NEED FURTHER ASSISTANCE, PLEASE REACH OUT TO OUR TEAM.
