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The International Size Reference Guide

US to UK Ring Size

Convert between US and UK Ring Size with our Ring Size Conversion Chart

US to UK Ring Size Conversion

With the conversion chart below, you can easily convert between US and UK Ring size. The different ring sizing codes are used in the following countries:

UK/AU: Used in United Kingdom (UK), Ireland, Australia and New Zealand. Determine UK ring size.

US: USA (US), Canada and Mexico. Determine US ring size.

More Ring Sizing:

Use the ring conversion chart below to convert between US and UK ring sizes. See also our other ring sizing resources:

Ring Sizing Tips & Tricks: Useful reading before determining ring size.
Convert between all ring size systems: All-in-one ring conversion chart: UK, US, AU, China, Japan, South America, India, Italy, France, Spain, Scandinavia and more countries.

Ring Size Converter

UK
AU
US
.
- 0
- 1/4
A 1/2
A 1/2 3/4
B 1
B 1/2 1 1/4
C 1 1/2
C 1/2 1 3/4
D 2
D 1/2 2 1/4
E 2 1/2
E 1/2 2 3/4
F 3
F 1/2 3 1/4
G 3 1/2
G 1/2 3 3/4
H 4
H 1/2 4 1/4
I 4 1/2
J 4 3/4
J 1/2 5
K 5 1/4
K 1/2 5 1/2
L 5 3/4
L 1/2 6
M 6 1/4
M 1/2 6 1/2
N 6 3/4
N 1/2 7
O 7 1/4
O 1/2 7 1/2
P 7 3/4
P 1/2 8
Q 8 1/4
Q 1/2 8 1/2
R 8 3/4
R 1/2 9
S 9 1/4
S 1/2 9 1/2
T 9 3/4
T 1/2 10
U 10 1/4
U 1/2 10 1/2
V 10 3/4
V 1/2 11
W 11 1/4
W 1/2 11 1/2
X 11 3/4
X 1/2 12
Y 12 1/4
Z 12 1/2
Z 1/2 12 3/4
- 13
Z 1 13 1/4
Z 1.5 13 1/2
Z 2 13 3/4
Z 3 14
- 14 1/4
Z 4 14 1/2
Z 5 14 3/4
- 15

Tips, Tricks or Questions?

Do you have tips, tricks or questions on converting ring sizes? Let us hear! Thanks :)

Note: All our size charts are guidelines.

Sizes may vary with brands, models and manufacturers. Due to this fact, we can not guarantee that our size charts always will show the right sizes.

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