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Ring size measuring & conversion guide

How to measure your ring size?

Finger sizes vary a lot from one person to the next, so it can be almost impossible to get your ring size right just by guessing. It’s important to check your ring size before buying rings online.

But how do you make sure you have the right size? We know it can be tricky, so we're here to help.

Because you'll want an accurate measurement we highly recommend purchasing one of our very handy ring size kits. Each kit contains a reusable ring sizer belt, a printed copy of our handy ring size measuring and conversion guide and even a discount code to use when you return to shop online for rings for women.

If you already know your ring measurement or need to convert a ring size, scroll down to our ring size conversion chart, which includes ring sizes in mm and inches, plus US, Australian and British ring sizes for both men and women.

Shopping for rings?

Unique handmade sterling silver jewelry: USA online store.

If you're a creative woman with your own unique sense of style check out our rings, along with delightful necklaces, earrings and other jewelry handmade in gold, silver and gemstones. You'll find something to love and we have easy shopping and FREE delivery.

Shop online →

Need more help with ring sizing?

If you subscribe to our insiders mailing list, we'll send you a link to download our handy ring sizing guide. Yay!

Otherwise scroll on for our ring size chart ...

Ring size conversion chart:

(Best viewed in landscape)

Inside
diameter
(inches)
Inside
diameter
(mm)
Inside
circ. 
(inches)
Inside
circ. 
(mm)
Numerical
sizes
(US, Canada)
Alphabetical
sizes
(Australia, UK, etc)
0.458" 11.6 mm 1.438" 36.5 mm 0  
0.466" 11.8 mm 1.463" 37.2 mm 1/4  
0.474" 12 mm 1.488" 37.8 mm 1/2 A
0.482" 12.2 mm 1.513" 38.4 mm 3/4 A 1/2
0.49" 12.4 mm 1.539" 39.1 mm 1 B
0.498" 12.6 mm 1.564" 39.7 mm 1 1/4 B 1/2
0.506" 12.9 mm 1.589" 40.4 mm 1 1/2 C
0.514" 13.1 mm 1.614" 41 mm 1 3/4 C 1/2
0.522" 13.3 mm 1.639" 41.6 mm 2 D
0.53" 13.5 mm 1.664" 42.3 mm 2 1/4 D 1/2
0.538" 13.7 mm 1.689" 42.9 mm 2 1/2 E
0.546" 13.9 mm 1.714" 43.5 mm 2 3/4 E 1/2
0.554" 14.1 mm 1.74" 44.2 mm 3 F
0.562" 14.3 mm 1.765" 44.8 mm 3 1/4 F 1/2
0.57" 14.5 mm 1.79" 45.5 mm 3 1/2 G
0.578" 14.7 mm 1.815" 46.1 mm 3 3/4 G 1/2
0.586" 14.9 mm 1.84" 46.7 mm 4 H
0.594" 15.1 mm 1.865" 47.4 mm 4 1/4 H 1/2
0.602" 15.3 mm 1.89" 48 mm 4 1/2 I
0.61" 15.5 mm 1.915" 48.7 mm 4 3/4 J
0.618" 15.7 mm 1.941" 49.3 mm 5 J 1/2
0.626" 15.9 mm 1.966" 49.9 mm 5 1/4 K
0.634" 16.1 mm 1.991" 50.6 mm 5 1/2 K 1/2
0.642" 16.3 mm 2.016" 51.2 mm 5 3/4 L
0.65" 16.5 mm 2.041" 51.8 mm 6 L 1/2
0.658" 16.7 mm 2.066" 52.5 mm 6 1/4 M
0.666" 16.9 mm 2.091" 53.1 mm 6 1/2 M 1/2
0.674" 17.1 mm 2.116" 53.8 mm 6 3/4 N
0.682" 17.3 mm 2.141" 54.4 mm 7 N 1/2
0.69" 17.5 mm 2.167" 55 mm 7 1/4 O
0.698" 17.7 mm 2.192" 55.7 mm 7 1/2 O 1/2
0.706" 17.9 mm 2.217" 56.3 mm 7 3/4 P
0.714" 18.1 mm 2.242" 56.9 mm 8 P 1/2
0.722" 18.3 mm 2.267" 57.6 mm 8 1/4 Q
0.73" 18.5 mm 2.292" 58.2 mm 8 1/2 Q 1/2
0.738" 18.7 mm 2.317" 58.9 mm 8 3/4 R
0.746" 18.9 mm 2.342" 59.5 mm 9 R 1/2
0.754" 19.2 mm 2.368" 60.1 mm 9 1/4 S
0.762" 19.4 mm 2.393" 60.8 mm 9 1/2 S 1/2
0.77" 19.6 mm 2.418" 61.4 mm 9 3/4 T
0.778" 19.8 mm 2.443" 62.1 mm 10 T 1/2
0.786" 20 mm 2.468" 62.7 mm 10 1/4 U
0.794" 20.2 mm 2.493" 63.3 mm 10 1/2 U 1/2
0.802" 20.4 mm 2.518" 64 mm 10 3/4 V
0.81" 20.6 mm 2.543" 64.6 mm 11 V 1/2
0.818" 20.8 mm 2.569" 65.2 mm 11 1/4 W
0.826" 21 mm 2.594" 65.9 mm 11 1/2 W 1/2
0.834" 21.2 mm 2.619" 66.5 mm 11 3/4 X
0.842" 21.4 mm 2.644" 67.2 mm 12 X 1/2
0.85" 21.6 mm 2.669" 67.8 mm 12 1/4 Y
0.858" 21.8 mm 2.694" 68.4 mm 12 1/2 Z
0.866" 22 mm 2.719" 69.1 mm 12 3/4 Z 1/2
0.874" 22.2 mm 2.744" 69.7 mm 13  
0.882" 22.4 mm 2.769" 70.3 mm 13 1/4 Z1
0.89" 22.6 mm 2.795" 71 mm 13 1/2  
0.898" 22.8 mm 2.82" 71.6 mm 13 3/4 Z2
0.906" 23 mm 2.845" 72.3 mm 14 Z3
0.914" 23.2 mm 2.87" 72.9 mm 14 1/4  
0.922" 23.4 mm 2.895" 73.5 mm 14 1/2 Z4
0.93" 23.6 mm 2.92" 74.2 mm 14 3/4  
0.938" 23.8 mm 2.945" 74.8 mm 15  
0.946" 24 mm 2.97" 75.4 mm 15 1/4  
0.954" 24.2 mm 2.996" 76.1 mm 15 1/2  
0.962" 24.4 mm 3.021" 76.7 mm 15 3/4  
0.97" 24.6 mm 3.046" 77.4 mm 16  
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