Ladies' steel watch Swiss ETA movement Sapphire crystal mother-of-pearl dial crystal-set outline
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AIRD JEWELRY
Printable guide to measuring your finger size.
Buying a ring online can be challenging if you don't know your finger size. Here are some simple ways to determine the perfect size before you buy.
Method 1: Use an existing ring
If you already have a ring that fits well, measure its inner diameter and compare it to the size chart below.
Detailed size chart
| Inner diameter (mm) | Circumference (mm) | US size | FR size |
|---|---|---|---|
| 14.0 | 44.0 | 3 | 44 |
| 14.4 | 45.2 | 3.5 | 45 |
| 14.8 | 46.5 | 4 | 46 |
| 15.2 | 47.8 | 4.5 | 47 |
| 15.6 | 49.0 | 5 | 49 |
| 16.0 | 50.3 | 5.5 | 50 |
| 16.5 | 51.8 | 6 | 51 |
| 16.9 | 53.1 | 6.25 | 52 |
| 17.3 | 54.4 | 6.5 | 53 |
| 17.8 | 55.9 | 7 | 54 |
| 18.2 | 57.0 | 7.25 | 55 |
| 18.6 | 58.5 | 7.5 | 56 |
| 19.0 | 59.7 | 8 | 57 |
| 19.4 | 60.0 | 9 | 58 |
| 19.8 | 62.2 | 9.5 | 59 |
| 20.2 | 63.5 | 10 | 60 |
| 20.6 | 64.7 | 10.5 | 61 |
| 21.0 | 66.0 | 11 | 62 |
| 21.4 | 67.2 | 11.5 | 63 |
| 21.8 | 68.5 | 12 | 64 |
| 22.2 | 69.7 | 12.5 | 65 |
| 22.6 | 71.0 | 13 | 66 |
| 23.0 | 72.3 | 13.5 | 67 |
Method 2: Measure your finger with a tape measure
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Wrap a piece of string or paper around your knuckle.
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Mark where the ends meet.
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Measure the length with a ruler and refer to the size chart.
Practical advice
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Measure your finger at the end of the day, as it may swell slightly.
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Avoid measuring when your hands are too cold or too hot.
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If you are between two sizes, choose the larger one for more comfort.
Need help?
Contact us or visit us in store for an accurate measurement!
Aird Jewelry – Elegance and precision in every piece of jewelry.
Ladies' steel watch
Swiss Eta Movement
Sapphire crystal
mother-of-pearl dial
crystal-set outline
waterproof 5 Atm
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