Is a customer unit used to measure
You could use feet.
feet
Measuring cup
It is a customary unit.
Kilometers
A customary unit of length, which has 4 letters and starts with m, is mile.
inches
The customary unit would be miles (mi), and the metric unit would be kilometers (km).
I am guessing you can use Gallons.
Measuring cup
5 Gallons
Fahrenheit is a customary unit
customary
it is in the us customary unit or else we wouldnt be learning about. there for it is in the us customary unit.
It would be yards.
ounces
Seconds
meters or feet
ounces