inches
no
In the customary system, the smallest unit of length is the inch. It is divided into smaller fractions, such as eighths or sixteenths, but in terms of whole units, the inch is the smallest commonly used measure. For weight, the smallest unit is the ounce.
3 dozen inches, but this isn't a customary unit of measure in this instance.
Measuring cup
Is a customer unit used to measure
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