Copy of Ring Size Conversion

Guide

Ring Size Guide

The perfect ring isn't just about brilliance — it's about finding the perfect fit. Our ring size guide will help you find your size with confidence, whether you're measuring at home or using one of our ring sizing tools.

CHOOSE HOW TO MEASURE

ORDER A RING GAUGE

For an easy way to measure at home, order our reusable Multisize Ring Gauge. Simply adjust it around your finger until comfortably secure, then read your UK ring size.

ORDER RING GAUGE

PRINTABLE RING SIZER

Prefer to measure straight away? Download and print our complimentary ring sizer at 100% scale, then follow the instructions provided to find your UK ring size.

DOWNLOAD RING SIZER

INTERNATIONAL RING SIZE CONVERSION

Use our international ring size chart to compare UK sizing with US, European and Japanese sizes.

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UK	US	EU	JAPAN	CIRCUMFERENCE (MM)
D	2	41	2	41
F	3	44	4	44
F ½	3 ¼	45	4 ½	45
G ½	3 ¾	46	6	46
H	4	47	7	47
I	4 ½	48	8	48
I ½	4 ¾	49	9	49
J ½	5 ¼	50	10	50
K	5 ½	51	11	51
L	6	52	12	52
M	6 ½	53	13	53
M ½	6 ¾	54	14	54
N ½	7 ¼	55	15	55
O	7 ½	56	16	56
P	8	57	17	57
P ½	8 ¼	58	18	58
Q ½	8 ¾	59	19	59
R	9	60	20	60
S	9 ½	61	21	61
S ½	9 ¾	62	22	62
T ½	10 ¼	63	23	63
U	10 ½	64	24	64
V	11	65	25	65
V ½	11 ¼	66	26	66
W ½	11 ¾	67	27	67
X	12	68	28	68
Y	12 ½	69	29	69
Z	13	70	30	70
Z ½	13 ¼	71	31	71

International ring size conversions are provided as a guide. For the most accurate fit, we recommend having your ring size professionally measured.