Either inches or millimetres
Or centimetres.
Seconds
The unit of measure that is about the width of a doorway is typically around 3 feet or 36 inches.
It depends on what you want to measure. Their mass or size?
Cm
Pint.
Inches.
pounds
Probably Centimeters
Miles.Miles.Miles.Miles.
In most countries, it is customary to measure that in liters.
It is customary to use the kilogram - though that is technically not a weight, but a mass.
no