Ring size measuring & conversion guide

Silver rings from our online jewellery store.

Shopping for rings?

Because you have great taste you should check out our unique rings, along with delightful necklaces, earrings and other jewellery, all created in gold, silver and gemstones.

What’s your ring size?

We know it can be tricky. Finger sizes can vary from one person to the next, so it’s important to check your ring size before ordering a ring from our jewellery store.

But how do you make sure you have the right size?

Because you'll want an accurate measurement we highly recommend purchasing a ring sizing kit which contains a reusable sizing belt, a copy of our nifty measuring guide and even a discount code for your next ring purchase. 

If you do already have an accurate ring measurement or need to convert a ring size, scroll down to our ring size conversion chart, which includes both US and Australian ring sizes.

Otherwise read on for other ring size measuring options.

Learn about ring sizing

Free!

Let us help you get the right measurement with some of our best ring sizing tips, including how to accurately measure from an existing ring.

Here's the deal:

To download our free ring size measuring guide along with our nifty jewellery care guide, simply become an insider and join our mailing list.

When you confirm your email address you'll get links to these free guides.

The best part? Because you're a subscriber you'll also get 10% off your first order with us - yay!

In the measuring guide you'll get:

  • Lots of tips for getting an accurate finger size
  • Printable chart for measuring an existing ring
  • Full ring size measurement chart which you can print

The jewellery care guide is filled with great tips for keeping your precious jewellery at its sparkly best.

Ring size conversion chart:

(Best viewed in landscape mode)

Ring size conversion chart
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