Sizing

International Size Guide

All Rubies products use UK sizing. Use this guide to convert from your local size.

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Band Size Conversion

UK / US	EU	AU	IT / FR
28	60	6	60
30	65	8	65
32	70	10	70
34	75	12	75
36	80	14	80
38	85	16	85
40	90	18	90
42	95	20	95
44	100	22	100
46	105	24	105
48	110	26	110
50	115	28	115

UK	US	EU / AU	IT / FR
AA	AA	AA	AA
A	A	A	A
B	B	B	B
C	C	C	C
D	D	D	D
DD	E	E	E
E	DDD	F	F
F	DDDD	G	G
FF	F	H	H
G	G	I	I
GG	H	J	J
H	I	K	K
HH	J	L	L
J	K	M	M
JJ	L	N	N
K	M	O	O

* Cup equivalents are approximate — fit varies by brand and style.

Sister sizes share the same cup volume but have different band sizes. If your size is sold out, a sister size may give you a similar fit.

UK / US	EU	AU	IT / FR
28	60	6	60
30	65	8	65
32	70	10	70
34	75	12	75
36	80	14	80
38	85	16	85
40	90	18	90
42	95	20	95
44	100	22	100
46	105	24	105
48	110	26	110
50	115	28	115

UK / US	EU	AU	IT / FR
28	60	6	60
30	65	8	65
32	70	10	70
34	75	12	75
36	80	14	80
38	85	16	85
40	90	18	90
42	95	20	95
44	100	22	100
46	105	24	105
48	110	26	110
50	115	28	115

UK / US	EU	AU	IT / FR
28	60	6	60
30	65	8	65
32	70	10	70
34	75	12	75
36	80	14	80
38	85	16	85
40	90	18	90
42	95	20	95
44	100	22	100
46	105	24	105
48	110	26	110
50	115	28	115