Here are some cross reference charts to compare bra size in U.S. and international sizes – British, Italian, French, Australian, Germany, etc. These conversion tables are especially helpful when buying bra-sized garments, such as brassieres (bras), swimsuits, and other lingerie from foreign countries that are marked with a size other than sizes from your country of origin and that do not list international sizes on the product tags, descriptions, or labels.

A bra cup comparison chart follows:

Bra band sizes is where you’ll see the real difference in international sizing. The following chart shows band size as referenced in the United States versus band size referenced in Europe, France, Italy, Australia, and Germany. Great Britain G.B. / United Kingdom U.K. and United States U.S. band sizes are the same.

Be sure to also see:
Measure for a Bra – The A B Cs of Finding a Bra That Fits!