Ring Sizing Guide
How to Find Your Ring Size
Finding the right ring size is essential for comfort and fit. Use one of the methods below to determine your size before purchasing.
Method 1: Measure an Existing Ring
Place a ring that fits you well on a ruler and measure the internal diameter in millimetres. Use the chart below to find your size.
Method 2: Measure Your Finger
- Cut a thin strip of paper or use a piece of string.
- Wrap it snugly around the base of the finger you intend to wear the ring on.
- Mark where the paper or string overlaps.
- Measure the length in millimetres — this is your finger circumference.
- Use the chart below to find your size.
Ring Size Chart
| Australian / UK Size | US / Canada Size | Diameter (mm) | Circumference (mm) |
|---|---|---|---|
| F | 3 | 14.1 | 44.2 |
| F½ | 3.5 | 14.5 | 45.5 |
| G | 3.75 | 14.7 | 46.1 |
| H | 4 | 14.9 | 46.8 |
| I | 4.5 | 15.3 | 48.0 |
| J | 5 | 15.7 | 49.3 |
| K | 5.5 | 16.1 | 50.6 |
| L | 6 | 16.5 | 51.8 |
| M | 6.5 | 16.9 | 53.1 |
| N | 7 | 17.3 | 54.4 |
| O | 7.5 | 17.7 | 55.7 |
| P | 8 | 18.2 | 57.2 |
| Q | 8.5 | 18.6 | 58.4 |
| R | 9 | 19.0 | 59.7 |
| S | 9.5 | 19.4 | 61.0 |
| T | 10 | 19.8 | 62.2 |
| U | 10.5 | 20.2 | 63.5 |
| V | 11 | 20.6 | 64.8 |
| W | 11.5 | 21.0 | 66.0 |
| X | 12 | 21.4 | 67.3 |
| Y | 12.5 | 21.8 | 68.5 |
| Z | 13 | 22.2 | 69.7 |
Tips for an Accurate Measurement
- Measure your finger at the end of the day when fingers are at their largest.
- Avoid measuring when fingers are cold, as they shrink slightly.
- If you are between sizes, we recommend sizing up.
- Wide band rings may require a half size larger for comfort.
Still Unsure?
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