Ring Size Guide

Size & Fit

Find your perfect fit using the guide below. Sizes are based on US standards, and inner diameter values are approximate.
For the most accurate fit, we recommend measuring your ring or finger before selecting a size.

US UK Japan EU Inner Diameter (mm)
3 F ½ 4 44 14.1
3.5 G ½ - - 14.5
4 H ½ 7 47 14.9
4.5 I ½ 8 48 15.3
5 J ½ 9 49 15.7
5.5 K ½ 10 - 16.1
6 L ½ 11 52 16.5
6.5 M ½ 13 53 16.9
7 N ½ 14 54 17.3
7.5 O ½ 15 - 17.7
8 P ½ 16 57 18.1
8.5 Q ½ 17 58 18.5
9 R ½ 18 - 19.0
9.5 S ½ 19 61 19.4
10 T ½ 20 62 19.8
10.5 U ½ 22 63 20.2
11 V ½ 23 - 20.6
11.5 W ½ 24 66 21.0
12 X ½ 25 67 21.4
12.5 Z 26 68 21.8
13 - 27 70 22.2

Find Your Ring Size

Measure an Existing Ring

Measure the inner diameter of a ring that fits you well, and match it with the chart above.

Measure Your Finger

Wrap a strip of paper or measuring tape around your finger, mark where it overlaps, and measure the length. Use the measurement to find your closest size in the chart.

Printable Ring Sizer

Print our ring size guide to measure your size at home. Please ensure printing is set to 100% scale for accurate results.

PRINT RING SIZE GUIDE

Fit Tips

  • Measure your finger at the end of the day when it is at its largest
  • Avoid measuring when your hands are cold
  • If you are between sizes, choose the larger size
  • Wider bands may fit tighter — consider sizing up slightly