Units used in the USA are customary. Inches, feet, yards and so forth including some that are archaic.
Fluid ounces, cups, pints, quarts, gallons and so forth.
Dry measures are usually converted to weight like ounces and pounds. Bushels, pecks and so forth are considered old.
Unit conversions express an amount in a different unit
it is in the us customary unit or else we wouldnt be learning about. there for it is in the us customary unit.
unit conversions give an equal amount but with other units
Grams (g)
It would be yards.
I'm guessing by customary, you mean imperial. if so inches are customary/imperial
Unit conversions express an amount in a different unit
customary
Fahrenheit is a customary unit
it is in the us customary unit or else we wouldnt be learning about. there for it is in the us customary unit.
The customary unit of capacity for a bathtub is gallons.
Unit conversions express an amount in a different unit.
customary
It is a customary unit.
It is a customary unit.
A Customary Unit or non-SI unit is a measurement unit that is not part of the metric system. Customary units are mainly units of the Imperial system but they could be localised customary units - such as Gaj (for area) is South Asia.
It is the basic unit of time in both systems.