RING SIZE CHART
DETERMINE YOUR RING SIZE
Option 1: Measure the ring diameter
Choose a ring that fits well.
Place the ring on a ruler and measure the inside of the ring from side to side (in mm).
Compare with the sizing chart.
Option 2: Measure the circumference of your finger
Wrap a string around your finger and mark where the end meets the beginning.
Measure the length of the string (in mm).
Compare with the sizing chart.
You can also use the RingSizer app and place your ring on the screen to measure your size.
Tip for finding the right ring size:
Measure your finger at the end of the day, when it is largest. Keep in mind that fingers can swell throughout the day, especially in warm weather. If you’re between two sizes, it’s best to choose the larger one.
Fingers on your left and right hand may differ. The ring will fit perfectly on the finger you measured, but may not fit as well on other fingers.
| EU | Diameter (mm) | Finger Circumference (mm) | US | UK |
|---|---|---|---|---|
| 41 | 13.1 | 41.1 | 1.75 | C / D |
| 42 | 13.4 | 42.1 | 2 | D / E |
| 43 | 13.7 | 43.0 | 2.5 | E / F |
| 44 | 14.0 | 43.9 | 3 | F / G |
| 45 | 14.3 | 44.9 | 3.5 | G |
| 46 | 14.6 | 45.9 | 3.75 | H |
| 47 | 15.0 | 47.1 | 4 | H / I |
| 48 | 15.3 | 48.0 | 4.5 | I / J |
| 49 | 15.6 | 49.0 | 5 | J / K |
| 50 | 15.9 | 49.9 | 5.5 | K / L |
| 51 | 16.2 | 50.9 | 5.75 | L |
| 52 | 16.5 | 51.8 | 6 | L / M |
| 53 | 16.9 | 53.1 | 6.5 | M / N |
| 54 | 17.2 | 54.0 | 7 | N / O |
| 55 | 17.5 | 55.0 | 7.5 | O / P |
| 56 | 17.8 | 55.9 | 8 | P / Q |
| 57 | 18.1 | 56.9 | 8.5 | Q / R |
| 58 | 18.5 | 58.1 | 9 | R / S |
| 59 | 18.8 | 59.0 | 9.5 | S / T |
| 60 | 19.1 | 60.0 | 10 | T / U |
| 61 | 19.4 | 60.9 | 10.25 | U |
| 62 | 19.7 | 61.9 | 10.5 | U / V |
| 63 | 20.1 | 63.1 | 11 | V / W |
| 64 | 20.4 | 64.0 | 11.5 | W / X |
| 65 | 20.7 | 65.0 | 11.75 | X |
| 66 | 21.0 | 65.9 | 12 | X / Y |
| 67 | 21.3 | 66.9 | 12.5 | Y |
| 68 | 21.6 | 67.8 | 13 | Z |