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Ring Size Chart
Find your perfect fit. Use our easy guides and size charts to measure your ring size accurately at home.
Find Your SizeWhat Is Ring Size?
Ring size is the measurement of the inside diameter or circumference of a ring. Finding the right fit ensures comfort, security and the perfect appearance on your finger.
Ring Size Chart
Find your ring size using our easy measurement chart.
| USA & Canada | UK & Australia | Inside Diameter (mm) | Inside Circumference (mm) |
|---|---|---|---|
| 3 | F | 14.1 | 44.2 |
| 3.5 | G | 14.5 | 45.5 |
| 4 | H | 14.9 | 46.8 |
| 4.5 | I | 15.3 | 48.0 |
| 5 | J½ | 15.7 | 49.3 |
| 5.5 | K½ | 16.1 | 50.6 |
| 6 | L½ | 16.5 | 51.9 |
| 6.5 | M½ | 16.9 | 53.1 |
| 7 | N½ | 17.3 | 54.4 |
| 7.5 | O½ | 17.7 | 55.7 |
| 8 | P½ | 18.1 | 57.0 |
| 8.5 | Q½ | 18.5 | 58.3 |
| 9 | R½ | 19.0 | 59.5 |
| 9.5 | S½ | 19.4 | 60.8 |
| 10 | T½ | 19.8 | 62.1 |
| 10.5 | U½ | 20.2 | 63.4 |
| 11 | V½ | 20.6 | 64.6 |
| 11.5 | W½ | 21.0 | 65.9 |
| 12 | Y½ | 21.4 | 67.2 |
| 12.5 | Z | 21.8 | 68.5 |
| 13 | — | 22.2 | 69.7 |
Ways to Measure Your Ring Size
Measure the inside diameter of a ring that already fits you.
Wrap around your finger, mark the point and measure the length.
Download and print our ring sizer to help determine your size.
International Ring Size Conversion
Easily convert your ring size across different countries.
| USA & Canada | UK | Australia | Japan | Europe | Switzerland | China |
|---|---|---|---|---|---|---|
| 5 | J½ | J½ | 9 | 49.3 | 9.5 | 9 |
| 6 | L½ | L½ | 12 | 51.9 | 12.75 | 12 |
| 7 | N½ | N½ | 14 | 54.4 | 15.25 | 14 |
| 8 | P½ | P½ | 16 | 57.0 | 17.75 | 16 |
| 10 | T½ | T½ | 20 | 62.1 | 22.75 | 20 |
| 13 | — | — | 26 | 69.7 | 30.25 | 26 |
Ring Size Conversion Chart
Millimeters are equivalent to the interior circumference of the corresponding ring size.
Printable Ring Size Chart
A printable ring size chart is useful for quick reference and helps you identify your ring size from home.
Print Ring Size Chart
Request a Free Ring Sizer
Not sure about your size? Request our free ring sizing kit and find your perfect fit.
Frequently Asked Questions
Still Not Sure About Your Size?
Our experts are here to help you find your perfect fit.
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