RING SIZE GUIDE
RING SIZE GUIDE INSTRUCTION: PRINT THIS PAGE IN A4 SIZE AND SCALED TO 100% . TO CHECK THE ACCURACY OF YOUR PRINT, SIMPLY PLACE A CREDIT CARD OVER THE LINE BELOW, THEY SHOULD MATCH UP EXACTLY IN ORDER TO USE THIS SIZE CHART PROPERLY.
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| US | DIAMETER | CIRCUMFERENCE |
| 4 | 15 mm | 47.1 mm |
| 5 | 15.8 mm | 49.6 mm |
| 6 | 16.5 mm | 51.8 mm |
| 7 | 17.2 mm | 54 mm |
| 7.5 | 17.9 mm | 56.2 mm |
| 8.5 | 18.5 mm | 58.1 mm |
| 9 | 19.1 mm | 60 mm |
| 10 | 19.8 mm | 62.2 mm |
| 10.5 | 20.3 mm | 63.8 mm |
| 11.5 | 21 mm | 66 mm |
| 12 | 21.6 mm | 67.9 mm |
| 13 | 22.3 mm | 70.1 mm |