Bra Fitting Size Charts

Cup Size Conversion

Bra cup sizing varies from country to country. If you’re purchasing a new bra from us then you may need to convert your size into UK cup sizes. The chart below will help you do this!

UK USA EU FR IT AUS
D D D D D D
DD DD/E E E DD DD
E DDD/F F F E E
F G G G F F
FF H H H FF FF
G I I I G G
GG J J J GG GG
H K K K H H
HH L L L HH HH
J M M M J J
JJ N N N JJ JJ
K O O O K K

Back Size Conversion

Bra back sizing also varied from country to country. All Brastop bras are listed in UK sizing so please check the charts below if you need to convert your size.

UK USA EU FR IT AUS
28 28 60 75 - 6
30 30 65 80 - 8
32 32 70 85 1 10
34 34 75 90 2 12
36 36 80 95 3 14
38 38 85 100 4 16
40 40 90 105 5 18
42 42 95 110 6 20
44 44 100 115 7 22
46 46 105 120 8 24

Briefs, Thongs and Nightwear

Finally, if you are purchasing knickers, thongs or nightwear from Brastop, these will be listed on the site in UK sizes or in Small, Medium, Large etc. If you need to convert your size then use this conversion chart below.

SML UK USA EU FR IT AUS
XS 8 4 34 8 36 8
S 10 6 36 10 38 10
M 12 8 38 12 40 12
L 14 10 40 14 42 14
XL 16 12 42 16 44 16
XXL 18 14 44 18 46 18
3XL 20 16 46 20 48 20
4XL 22 18 48 22 50 22
5XL 24 20 50 24 52 24