Probably centimeters.
Depends
Metres.
A centimetre is probably best
Centimetres
You'd measure the length of a car in metres.
The most appropriate measure is a metre.
Miles is best.
meters
Probably the best metric unit of measure to use would be the Centimeter (cm) ...There are 2.54 cm per inch.
millimetres and or centimeters
grams or meters weight or length
best u nit to measure the length of bedroom = meter