Ring Size Guide
Finding the perfect ring size is essential for comfort and style. Whether you're shopping for yourself or looking to surprise a loved one, this ring size guide will help you compare ring sizes.
We are pleased to offer complimentary ring sizing to all our customers. If you are ever in doubt, please don't hesitate to get in touch and we would be happy to help you.
UK | USA | Europe | Circumference | Diameter |
A | 39.00 | 37.70 mm | 12.00 mm | |
A ½ | 39.50 | 38.33 mm | 12.20 mm | |
B | 40.00 | 38.96 mm | 12.40 mm | |
B ½ | 0.75 | 40.80 | 39.58 mm | 12.60 mm |
C | 1.25 | 41.00 | 40.53 mm | 12.90 mm |
C ½ | 1.50 | 41.25 | 41.15 mm | 13.10 mm |
D | 1.75 | 42.00 | 41.78 mm | 13.30 mm |
D ½ | 2.00 | 42.50 | 42.41 mm | 13.50 mm |
E | 2.25 | 43.50 | 43.04 mm | 13.70 mm |
E ½ | 2.50 | 44.00 | 43.67 mm | 13.90 mm |
F | 2.75 | 44.50 | 44.30 mm | 14.10 mm |
F ½ | 3.00 | 45.00 | 44.92 mm | 14.30 mm |
G | 3.25 | 45.50 | 45.55 mm | 14.50 mm |
G ½ | 3.50 | 46.00 | 46.18 mm | 14.70 mm |
H | 3.75 | 47.00 | 46.81 mm | 14.90 mm |
H ½ | 4.00 | 47.50 | 47.44 mm | 15.10 mm |
I | 4.25 | 48.00 | 48.07 mm | 15.30 mm |
I ½ | 4.50 | 48.50 | 48.69 mm | 15.50 mm |
J | 4.75 | 49.50 | 49.32 mm | 15.70 mm |
J ½ | 5.00 | 50.00 | 49.95 mm | 15.90 mm |
K | 5.25 | 50.50 | 50.58 mm | 16.10 mm |
K ½ | 5.50 | 51.00 | 51.21 mm | 16.30 mm |
L | 5.75 | 52.00 | 51.84 mm | 16.50 mm |
L ½ | 6.00 | 52.50 | 52.46 mm | 16.70 mm |
M | 6.25 | 53.00 | 53.09 mm | 16.90 mm |
M ½ | 6.50 | 54.00 | 54.72 mm | 17.10 mm |
N | 6.75 | 54.50 | 54.35 mm | 17.30 mm |
N ½ | 7.00 | 55.00 | 54.98 mm | 17.50 mm |
O | 7.25 | 55.75 | 55.61 mm | 17.70 mm |
O ½ | 7.50 | 56.25 | 56.23 mm | 17.90 mm |
P | 7.75 | 57.00 | 56.86 mm | 18.10 mm |
P ½ | 8.00 | 57.25 | 57.49 mm | 18.30 mm |
Q | 8.25 | 58.00 | 58.12 mm | 18.50 mm |
Q ½ | 8.50 | 58.50 | 58.75 mm | 18.70 mm |
R | 8.75 | 59.50 | 59.38 mm | 18.90 mm |
R ½ | 9.00 | 60.00 | 60.00 mm | 19.10 mm |
S | 9.25 | 60.50 | 60.63 mm | 19.30 mm |
S ½ | 9.50 | 61.25 | 61.26 mm | 19.50 mm |
T | 9.75 | 62.00 | 61.89 mm | 19.70 mm |
T ½ | 10.00 | 62.50 | 62.52 mm | 19.90 mm |
U | 10.25 | 63.00 | 63.15 mm | 20.10 mm |
U ½ | 10.50 | 64.00 | 63.77 mm | 20.30 mm |
V | 10.75 | 64.25 | 64.40 mm | 20.50 mm |
V ½ | 11.00 | 65.00 | 65.03 mm | 20.70 mm |
W | 11.25 | 65.50 | 65.66 mm | 20.90 mm |
W ½ | 11.50 | 66.50 | 66.29 mm | 21.10 mm |
X | 11.75 | 67.00 | 66.92 mm | 21.30 mm |
X ½ | 12.00 | 67.50 | 67.54 mm | 21.50 mm |
Y | 12.25 | 68.00 | 68.17 mm | 21.70 mm |
Y ½ | 12.50 | 69.00 | 68.80 mm | 21.90 mm |
Z | 12.75 | 69.50 | 69.43 mm | 22.10 mm |
Z ½ | 13.00 | 70.00 | 70.06 mm | 22.30 mm |