Ring Size Guide

Ring Size Guide

Finding the right ring size is essential for a comfortable, perfect fit. Use our guide below to measure your size at home.

How to Measure Your Ring Size

Method 1: Use a Ring You Already Own

  1. Take a ring that fits the intended finger well.
  2. Measure the inner diameter of the ring in millimeters.
  3. Use the chart below to find your size.

Method 2: Measure Your Finger

  1. Wrap a thin strip of paper or string around the base of your finger.
  2. Mark where the paper meets and measure the length in millimeters.
  3. Divide by 3.14 to get the diameter, then use the chart below.

Size Chart

US Size Diameter (mm) Circumference (mm)
5 15.7 49.3
6 16.5 51.8
7 17.3 54.4
8 18.2 57.0
9 19.0 59.5
10 19.8 62.1

Tips

  • Measure at the end of the day when fingers are at their largest.
  • If between sizes, go up to the next size.
  • Fingers can vary slightly between hands — always measure the specific finger you plan to wear the ring on.

Still unsure? Contact us and we'll help you find the perfect fit.

Find Your Perfect Ring Size

Use our comprehensive sizing guide to find your ideal fit

Find your perfect ring size using our comprehensive US & Canada sizing chart. All measurements are in millimeters for accuracy.

US Size Diameter (mm) Circumference (mm)
314.144.2
3.514.545.5
414.946.8
4.515.348.0
515.749.3
5.516.150.6
616.551.9
6.516.953.1
717.354.4
7.517.755.7
818.257.0
8.518.658.3
919.059.5
9.519.460.8
1019.862.1
10.520.263.4
1120.664.6
11.521.065.9
1221.467.2
12.521.868.5
1322.269.7

UK and Australian ring sizing chart with corresponding measurements in millimeters.

UK Size Diameter (mm) Circumference (mm)
F14.144.2
G14.545.5
H14.946.8
I15.348.0
J15.749.3
K16.150.6
L16.551.9
M16.953.1
N17.354.4
O17.755.7
P18.257.0
Q18.658.3
R19.059.5
S19.460.8
T19.862.1
U20.263.4
V20.664.6
W21.065.9
X21.467.2
Y21.868.5
Z22.269.7

European ring sizing chart with precise diameter and circumference measurements.

EU Size Diameter (mm) Circumference (mm)
4414.144.2
4514.545.5
4614.946.8
4815.348.0
4915.749.3
5016.150.6
5216.551.9
5316.953.1
5417.354.4
5617.755.7
5718.257.0
5818.658.3
6019.059.5
6119.460.8
6219.862.1
6320.263.4
6520.664.6
6621.065.9
6721.467.2
6821.868.5
7022.269.7

Choose from three professional methods to accurately measure your ring size at home.

Method 1: Measure an Existing Ring

  • 1 Select a ring that fits the intended finger perfectly
  • 2 Place the ring on a ruler and measure the inside diameter in millimeters
  • 3 Match the diameter measurement to the chart above
  • 4 For best accuracy, measure multiple times

Method 2: Measure Your Finger

  • 1 Wrap a strip of paper or string around the base of your finger
  • 2 Mark where the paper or string overlaps to form a complete circle
  • 3 Measure the length in millimeters with a ruler
  • 4 Match the circumference measurement to the chart above

Method 3: Professional Sizing

  • 1 Visit a local jeweler for professional ring sizing
  • 2 Request sizing for the specific finger you'll wear the ring on
  • 3 Ask for measurements in both your local sizing system and millimeters
  • 4 Keep a record of your size for future reference

Expert Tips for Accurate Sizing

  • Measure your finger at the end of the day when it's at its largest
  • Avoid measuring when your hands are cold as fingers shrink in cold temperatures
  • Measure the finger you plan to wear the ring on, as each finger can be a different size
  • For wider bands, consider going up half a size for comfort
  • If between sizes, choose the larger size for comfort
  • Measure 3-4 times to ensure consistency and accuracy