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Free Worldwide Shipping on Every Order | Perfect for Anniversaries, Proposals & Promises | Shop Now!
Promise Rings
Find Your Perfect Fit
Every Promise Rings piece is made to be worn every day. Use the guide below to find your size, or measure secretly for someone you love.
No sizer? No problem. Place a ring you already own on top of the circle above, the closest match to the inner edge is your size. For an exact match, download our printable ring sizer below.
| US / Promise Rings | Diameter (mm) | Circumference (mm) | UK | Europe |
|---|---|---|---|---|
| 3 | 14.1 | 44.2 | F ½ | 44 |
| 3.5 | 14.5 | 45.5 | G ½ | 45.5 |
| 4 | 14.9 | 46.8 | H ½ | 47 |
| 4.5 | 15.3 | 48.0 | I ½ | 48 |
| 5 | 15.7 | 49.3 | J ½ | 49.3 |
| 5.5 | 16.1 | 50.6 | K ½ | 50.6 |
| 6 | 16.5 | 51.9 | L ½ | 51.9 |
| 6.5 | 16.9 | 53.2 | M ½ | 53.2 |
| 7 | 17.3 | 54.5 | N ½ | 54.4 |
| 7.5 | 17.7 | 55.8 | O ½ | 55.8 |
| 8 | 18.1 | 57.0 | P ½ | 57 |
| 8.5 | 18.5 | 58.3 | Q ½ | 58.3 |
| 9 | 18.9 | 59.5 | R ½ | 59.5 |
| 9.5 | 19.4 | 60.8 | S ½ | 60.8 |
| 10 | 19.8 | 62.1 | T ½ | 62.1 |
| 10.5 | 20.2 | 63.4 | U ½ | 63.4 |
| 11 | 20.6 | 64.6 | V ½ | 64.6 |
| 11.5 | 21.0 | 65.9 | W ½ | 65.9 |
| 12 | 21.4 | 67.2 | X ½ | 67.2 |
| 12.5 | 21.8 | 68.6 | Y ½ | 68.6 |
| 13 | 22.2 | 70.0 | Z ½ | 70 |
Good to know: Women's Promise Rings are available in US sizes 3-10,
and Men's in US sizes 8-13. All rings are sized to US standard, use the table above
to convert to UK or Europe if you're shopping from abroad.