inches
no
3 dozen inches, but this isn't a customary unit of measure in this instance.
Measuring cup
Is a customer unit used to measure
The customary unit of capacity for a bathtub is gallons.
no
yards
Seconds
The ounce.
Gallons are an Imperial unit of measure.
It depends on what you want to measure. Their mass or size?
foot
Cm
Hectares.
Pint.
Probably the cubic megaparsec.
the metric system