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North American to UK Sizes

On our website we carry mostly UK brands because they're the ones making small bands and big cups. We sell mostly to Canadian and American women who aren't used to seeing UK sizes so these charts show the UK and North American size equivalents.

NB: Most tables you see will show a UK DD cup the same as a US E cup but we simply haven't found this to be true. Of the styles we carry a UK DD cup is the same as a North American D cup.

Band Size Comparison

UK 28 30 32 34 36 38 40 42 44 46 48 50
US/Canada 28 30 32 34 36 38 40 42 44 46 48 50

 

Cup Size Comparison

Difference in inches 4 5 6 7 8 9 10 11 12 13 14 15
UK DD E F FF G GG H HH J JJ K KK
US/Canada D DD DDD G H I J K L M N O


Some US and Canadian women will be used to using the D cup system. Here is a table that translates the D cup sizes for you:

UK US/CAN UK US/CAN UK US/CAN UK US/CAN UK US/CAN
28DD 28D 28E 28DD 28F 28DDD 28FF 28DDDD 28G 28 5D
30DD 30D 30E 30DD 30F 30DDD 30FF 30DDDD 30G 30 5D
32DD 32D 32E 32DD 32F 32DDD 32FF 32DDDD 32G 32 5D
34DD 34D 34E 34DD 34F 34DDD 34FF 34DDDD 34G 34 5D
36DD 36D 36E 36DD 36F 36DDD 36FF 36DDDD 36G 36 5D
38DD 38D 38E 38DD 38F 38DDD 38FF 38DDDD 38G 38 5D

 

UK US/CAN UK US/CAN UK US/CAN UK US/CAN UK US/CAN
28GG 28 6D 28H 28 7D 28HH 28 8D 28J 28 9D 28JJ 28 10D
30GG 30 6D 30H 30 7D 30HH 30 8D 30J 30 9D 30JJ 30 10D
32GG 32 6D 32H 32 7D 32HH 32 8D 32J 32 9D 32JJ 32 10D
34GG 34 6D 34H 34 7D 34HH 34 8D 34J 34 9D 34JJ 34 10D
36GG 36 6D 36H 36 7D 36HH 36 8D 36J 36 9D 36JJ 36 10D
38GG 38 6D 38H 38 7D 38HH 38 8D 38J 38 9D 38JJ 38 10D

 

Some US and Canadian women will be used to using the North American cup system. Here is a table that translates this system into the UK sizes we use on this site. Don't forget you can shop by size making it faster to find what's available in your size.

UK US/CAN UK US/CAN UK US/CAN UK US/CAN UK US/CAN UK US/CAN
28DD 28D 28E 28DD 28F 28DDD 28FF 28G 28G 28H 28GG 28I
30DD 30D 30E 30DD 30F 30DDD 30FF 30G 30G 30H 30GG 30I
32DD 32D 32E 32DD 32F 32DDD 32FF 32G 32G 32H 32GG 32I
34DD 34D 34E 34DD 34F 34DDD 34FF 34G 34G 34H 34GG 34I
36DD 36D 36E 36DD 36F 36DDD 36FF 36G 36G 36H 36GG 36I
38DD 38D 38E 38DD 38F 38DDD 38FF 38G 38G 38H 38GG 38I

 

UK US/CAN UK US/CAN UK US/CAN UK US/CAN UK US/CAN UK US/CAN
28H 28J 28HH 28K 28J 28L 28JJ 28M 28K 28N 28KK 28O
30H 30J 30HH 30K 30J 30L 30JJ 30M 30K 30N 30KK 30O
32H 32J 32HH 32K 32J 32L 32JJ 32M 32K 32N 32KK 32O
34H 34J 34HH 34K 34J 34L 34JJ 34M 34K 34N 34KK 34O
36H 36J 36HH 36K 36J 36L 36JJ 36M 36K 36N 36KK 36O
38H 38J 38HH 38K 38J 38L 38JJ 38M 38K 38N 38KK 38O