Qual O Serial Nero 3.1.0.25 Qual O Numeracao De Bojos BR/USA?

Qual o Numeracao de bojos BR/USA? - qual o serial nero 3.1.0.25

I want to buy some "Bo-jo's" (the "bright cute tops), but everyone knows the size of the conversion between Brazil and the size of the United States?" How would you be with a size of 42? PM, G?