Ring Sizing Chart
Use the ring sizing chart below if you doubt about your size.
You can measure the inside diameter of a ring you own or wrap a piece of non-stretchy paper around the base of your finger and measure the circumference. Make sure that the paper fits, but not too tight.
US size |
Inside Diameter (mm / inches) | Inside Circumference (mm / inches) |
US 4 | 14.65 / 0.577 | 46.68 / 1.84 |
US 4.5 | 15.27 / 0.601 | 47.97 / 1.89 |
US 5 | 15.70 / 0.618 | 49.32 / 1.94 |
US 5.5 | 16.10 / 0.634 | 50.58 / 1.99 |
US 6 | 16.51 / 0.650 | 51.87 / 2.04 |
US 6.5 | 16.92 / 0.666 | 53.16 / 2.09 |
US 7 | 17.35 / 0.683 | 54.51 / 2.15 |
US 7.5 | 17.75 / 0.699 | 55.76 / 2.20 |
US 8 | 18.19 / 0.716 | 57.15 / 2.25 |
US 8.5 | 18.53 / 0.729 | 58.21 / 2.29 |
US 9 | 18.89 / 0.748 | 59.34 / 2.35 |
US 9.5 | 19.41 / 0.764 | 60.98 / 2.40 |
US 10 | 19.84 / 0.781 | 62.33 / 2.45 |
US 10.5 | 20.20 / 0.797 | 63.46 / 2.50 |
US 11 | 20.68 / 0.814 | 64.97 / 2.56 |
US 11.5 | 21.08 / 0.830 | 66.22 / 2.61 |
US 12 | 21.49 / 0.846 | 67.51 / 2.66 |
US 12.5 | 21.89 / 0.862 | 68.77 / 2.71 |
US 13 | 22.33 / 0.879 | 70.15 / 2.76 |