Home Size Guide

Size Guide

To estimate your ring size:

1. wrap a piece of string or strip of paper around your finger so that it is an accurate representation of the ring size you need. Mark where the two ends meet to form a complete circle – making sure that you mark it accurately – we recommend you use a piece of string which does not stretch and is cut to the ring size you want.

2. take this piece of string or strip of paper and lay if out on a flat surface so that you can measure the length of the material from step 1. Make sure you measure to the nearest millimetre (mm). This is the circumference of the ring.

3. Finally, use the table below to convert the length in mm into a UK ring size.

(note – for piece of mind we recommend that you reverse steps 3 to 1 to check your measurements. To do this take a new piece of material, cut it to the length that represents your ring size in our table and try this on the finger to check if it fits as required).

step 2- total length (circum-ference) in mm	UK ring size	USA ring size	step 2- total length (circum-ference) in mm	UK ring size	USA ring size
37.5 mm	A	0.5	55.3 mm	P	7.5
38.2 mm	A 1/2	0.75	55.9 mm	P 1/2	7.75
38.9 mm	B	1	56.6 mm	Q	8
39.6 mm	B 1/2	1.25	57.2 mm	Q 1/2	8.25
40.2 mm	C	1.5	58.4 mm	R	8.625
40.8 mm	C 1/2	1.75	59.0 mm	R 1/2	8.875
41.5 mm	D	2	59.4 mm	S	9.125
42.1 mm	D 1/2	2.25	60.0 mm	S 1/2	9.375
42.7 mm	E	2.5	60.6 mm	T	9.625
43.4 mm	E 1/2	2.75	61.6 mm	T 1/2	10
44.0 mm	F	3	62.2 mm	U	10.25
44.3 mm	F 1/2	3.125	62.8 mm	U 1/2	10.5
44.9 mm	G	3.375	63.1 mm	V	10.625
45.6 mm	G 1/2	3.625	64.1 mm	V 1/2	11
45.9 mm	H	3.75	64.3 mm	W	11.125
46.5 mm	H 1/2	4	65.0 mm	W 1/2	11.375
47.1 mm	I	4.25	65.7 mm	X	11.625
47.8 mm	I 1/2	4.5	66.3 mm	X 1/2	11.875
48.1 mm	J	4.625	66.6 mm	Y	12
49.0 mm	J 1/2	5	67.2 mm	Y 1/2	12.25
49.3 mm	K	5.125	67.9 mm	Z	12.5
50.0 mm	K 1/2	5.375	68.5mm	Z 1/2	12.75
50.3 mm	L	5.5	69.1 mm	Z+1	13
51.3 mm	L 1/2	5.875	69.8 mm	(Z+1) 1/2	13.25
51.5 mm	M	6	70.4 mm	Z+2	13.5
52.2 mm	M 1/2	6.25	71.1 mm	(Z+2) 1/2	13.75
52.8 mm	N	6.5	71.7 mm	Z+3	14
53.4 mm	N 1/2	6.75	72.3 mm	(Z+3) 1/2	14.25
54.0 mm	O	7	73.0 mm	Z+4	14.5
54.7 mm	O 1/2	7.25	73.7 mm	(Z+4) 1/2	14.75

note: the table shows a selection of common UK ring sizes. To see the ring sizes available for a particular Rosa Pink ring please look at the SELECT option next to the item.

Size Guide

To estimate your ring size:

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