Centimetres.
I would use meters.
Metre
meters
Inches or Centimeters would be small enough to measure a teacup.
When measuring the height of a giraffe, you should use the most common SI unit for height: The Giraffe. The average height of a giraffe is one giraffe. One giraffe translates to 5.45 metres, 17 feet 10.5 inches, or 0.07 jumbo jets.
The metric unit commonly used to measure height is the meter. So, you would measure the height of Big Ben in meters.
metres
Centimetres.
Feet.
A millimetre.
Metres.
I would use meters.
You would use meters.
You would use the metric unit of meters to measure the height of a gallon of milk.
yards or meters
Metre