アメリカの洋服のサイズ規格とヨーロッパのサイズ規格で使われる番号は異なりますか？
U.S. standard clothing sizes for women were originally developed from statistical data in the 1940s and 1950s. At that time, they were similar in concept to the EN 13402 European clothing size standard, although individual manufacturers have always deviated from them, sometimes significantly.
At that time, they were similar in concept to the EN 13402 European clothing size standard