Question

what is the standard unit of length used in the United States of America?

Answer 1

Answer:

standard unit of length is meters.

but for measuring length, the U.S. customary system uses the inch, foot, yard, and mile, which are the only four customary length measurements in everyday use.

hope it helps you.

Answer 2

In the US customary system of measurement, the most common units of distance are inches, feet, yards, and miles.