What is the basic measurement you America?

Answer 1

Imperial system (British)

The system in Th U.S.A. isn't exactly the Imperial system, although it uses the same names.

A pint in the U.S.A. is 16 fluid ounces, an imperial pint is 20 fluid ounces. Also a U.S. fluid ounce is bigger than an imperial fluid ounce (29.57 millilitres in the U.S. 28.41 ml in imperial).

Inches (and by extension feet, yards and miles) in the U.S. were slightly longer than imperial inches up until 1959 when both systems redefined their measures in terms of metric standards.