It depends on whether you want to measure is length, mass, fuel efficiency, lifting power etc.
The best unit of measurement to measure an alligator is feet.
Meters, or centimeters.
Meters
The most best unit to measure the length of a slice of pizza are inches.
kilograms
The best unit to measure the weight of strawberry is kilogram.
The best unit of measurement to measure an alligator is feet.
Meters, or centimeters.
Pounds
grams
centimeters
Milliliters.
Meters
The most best unit to measure the length of a slice of pizza are inches.
Measurement unit
Micrometres.
millimetres