Ring Size Guide
Buying a ring without trying it on first can be a daunting experience, whether you're treating yourself or after the special engagement ring or wedding ring, we're here to help!
We know that this could be one of the most important purchases of your life so we've got some information below that can help you measure what size ring you need from the comfort of your own home.
We've also put together a downloadable PDF document which will aslo come in handy, it features a ring sizer which you can cut out. Click the button below to start your download.
Ring Size | Circumference (mm) |
Ring Size | Circumference (mm) |
Ring Size | Circumference (mm) |
A | 37.8 | J | 48.7 | S | 60.2 |
B | 39.1 | K | 50 | T | 61.4 |
C | 40.4 | L | 51.2 | U | 62.7 |
D | 41.7 | M | 52.5 | V | 64 |
E | 42.9 | N | 53.8 | W | 65.3 |
F | 44.2 | O | 55.1 | X | 66.6 |
G | 45.5 | P | 56.3 | Y | 67.8 |
H | 46.8 | Q | 57.6 | Z | 68.5 |
I | 48 | R | 58.9 |
UK | US & Canada | UK | US & Canada | UK | US & Canada |
A | 1/2 | K | 5 1/4 | S 1/2 | 9 1/4 |
B | 1 | K 1/2 | 5 1/2 | - | 9 1/2 |
C | 1 1/2 | L | 5 3/4 | T | 9 3/4 |
D | 2 | L 1/2 | 6 | T 1/2 | 10 |
D 1/2 | 2 1/4 | M | 6 1/4 | U | 10 1/4 |
E | 2 1/2 | M 1/2 | 6 1/2 | U 1/2 | 10 1/2 |
E 1/2 | 2 3/4 | N | 6 3/4 | V | 10 3/4 |
F | 3 | O | 7 | V 1/2 | 11 |
F 1/2 | 3 1/4 | O 1/2 | 7 1/4 | W | 11 1/4 |
G | 3 1/2 | P | 7 1/2 | W 1/2 | 11 1/2 |
G 1/2 | 3 3/4 | P 1/2 | 7 3/4 | X | 11 3/4 |
H | 4 | Q | 8 | Y | 12 |
H 1/2 | 4 1/4 | Q 1/2 | 8 1/4 | Y 1/2 | 12 1/4 |
I | 4 1/2 | R | 8 1/2 | Z | 12 1/2 |
J | 4 3/4 | R 1/2 | 8 3/4 | Z 1/2 | 12 3/4 |
J 1/2 | 5 | S | 9 | 13 |
UK | EU | UK | EU | UK | EU |
A | K | 49 5/8 | S 1/2 | 60 1/4 | |
B | K 1/2 | 50 1/4 | T | 60 7/8 | |
C | 40 1/2 | L | 50 7/8 | T 1/2 | 61 1/2 |
D | 41 1/2 | L 1/2 | 51 1/2 | U | 62 1/8 |
D 1/2 | 42 1/8 | M | 52 1/8 | U 1/2 | 62 3/4 |
E | 42 3/4 | M 1/2 | 52 3/4 | V | 63 3/8 |
E 1/2 | 43 3/8 | N | 53 3/8 | V 1/2 | 63 3/8 |
F | 44 | O | 54 5/8 | W | 64 5/8 |
F 1/2 | 44 5/8 | O 1/2 | 55 1/2 | W 1/2 | 65 1/4 |
G | 45 1/4 | P | 55 7/8 | X | 65 7/8 |
G 1/2 | 45 7/8 | P 1/2 | 56 3/4 | Y | 67 1/8 |
H | 46 1/2 | Q | 57 1/8 | Y 1/2 | |
H 1/2 | Q 1/2 | 58 | Z | 67 3/4 | |
I | 47 1/8 | R | 58 3/8 | Z 1/2 | 68 3/8 |
J | 48 3/8 | R 1/2 | 59 | ||
J 1/2 | 49 | S | 59 5/8 |