What American shoe size is a british shoe size 7?

There is more than one possibility, depending upon whether you are seeking the size for a man, woman, or youth (boy's & girl's measurements are the same):

British men's size 7 converts to an American man's size 7½.

British women's size 7 converts to the American woman's size 8.

British youth's size 7 converts to the American size 8.

actually, i am a british womens 6 1/2 - 7 but American i am size 9-10