If your looking for a more precise answer it's millimeters,but if your looking for just a unit it could be centimeters.
Meters
centimetre.
The metric unit of length is the 'meter'.
kilos and/or grams
Square meters.
Meters
Metres.
centimetre.
grams
litres
Centimetres
the metric system
The metric unit of length is the 'meter'.
Probably centimeters.
Yes it is
kilos and/or grams
Square meters.