Sizing

Most people don't know their ring size - you're not alone. A well-fitting ring should resist sliding over the knuckle, yet remove without pain. Our sizing guide covers a few simple ways to find the right fit at home.

Place a well-fitting ring flat on a surface and measure across the widest point of the inner opening with a ruler. That measurement in millimetres is your ring's internal diameter. Find it in the size chart below to get your size.

If you land between two sizes, choose the larger one.

Measuring a ring's internal diameter with a ruler

You will need: a strip of paper, a pen, and a ruler.

Step 1 - wrap paper strip around finger 1. Wrap the strip snugly around the base of the finger you want to size.
Step 2 - mark where the paper meets 2. Mark where the paper meets itself.
Step 3 - measure the paper strip length 3. Measure the distance between the two marks in millimetres.

That length is your internal circumference. Find it in the size chart below to get your size.

Every order includes our ring sizer. Insert the narrow end through the buckle, tighten it over the knuckle, and slide it down to the base of the finger until snug.

Unsure? Email a photo to hola@sarjewellery.com and we'll help you out.

SAR Jewellery free ring sizer
Free Ring Sizer Free - includes free shipping
Order Free Ring Sizer

The most accurate option. Takes two minutes and costs nothing. Ask them to measure the specific finger you plan to wear the ring on, and do so at a warm temperature - fingers are slightly larger in the heat.

Alternatively, you can print our guide to explore more methods for finding your ring size at home.

Download Size Guide (PDF)

*I.D. – Internal Diameter
*I.CIRC. – Internal Circumference

I.D. MM* I.C. MM* US UK / AUS JAPAN FRENCH
14.0 44 3 F 4 44
14.4 45¼ 3½ G 5½ 45¼
14.8 46½ 4 H½ 7 46½
15.2 47¾ 4½ I½ 8 47¾
15.6 49.01 5 J½ 9 50½
15.8 49.64 5¼ K 10 51
16.0 50.27 5½ K½ 10½ 52
16.2 50.91 5¾ L 11 52½
16.4 51.55 6 L½ 12 53
16.6 52.18 6¼ M 12½ 54
16.8 52.81 6½ M½ 13 54½
17.0 53.44 6¾ N 14 55
17.2 54.08 7 N½ 14½ 55½
17.4 54.72 7¼ O 15 56
17.6 55.35 7½ O½ 16 57
17.8 55.99 7¾ P 16½ 58
18.0 56.63 8 P½ 17 58½
18.2 57.26 8¼ Q 18 59
18.4 57.89 8½ Q½ 18½ 60
18.6 58.52 8¾ R 19 61
18.8 59.15 9 R½ 20 61½
19.0 59.78 9¼ S 20½ 62
19.2 60.42 9½ S½ 21 63
19.4 61.06 9¾ T 22 64
19.6 61.69 10 T½ 22½ 64½
19.8 62.33 10¼ U 23 65
20.0 62.96 10½ U½ 24 66
20.2 63.60 10¾ V 24½ 66½
20.4 64.24 11 V½ 25 67
20.6 64.88 11¼ W 26 68
20.8 65.50 11½ W½ 26½ 68½
21.0 66.13 11¾ X 27 69
21.2 66.77 12 X½ 28 70

If the size isn't perfect, don't worry.

  • Free resizing on all pieces
  • 30 day returns
  • Lifetime warranty
  • Worldwide free shipping