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How to Measure Bra Cup Sizes

Step 1: Measure Your Chest

Wrap a soft measuring tape around your back at band level just under the bust line. Round DOWN to the nearest even number.

Step 2: Measure Your Bust

Keeping the tape in the same place across your back, measure across your nipples. Round UP to the nearest whole number.

Step 3: Determine "US" Cup Size

Subtract the chest measurement from the bust measurement. The difference in inches determines your bra size according to the chart below.

Inches 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Centimeters 0 2 5 7 10 12 15 17 20 22 25 27 30 33 35 38 40
US AA A B C D DD, E DDD, F G H I J K L M N O P
UK, IT, AU AA A B C D DD E F FF G GG H HH J JJ K KK
EU, FR AA A B C D E F G H J K L M N O P Q
Have you seen our lingerie size charts?
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