Millimetres for insects and other tiny animals;
Centimetres for small animals such as cats and dogs;
Metres for larger animals such as crocodiles, elephants, sharks, whales.
The metric unit of length is the 'meter'.
The best unit of measurement to measure an alligator is in feet or meters, as these units are commonly used for measuring the length of large animals.
Class room can be measure in Meters easily :)
By unit of length and distance and conversion ,we can say that the most appropriate unit to measure the length of a finger is cm.
Meters are used to measure length.Meters are used to measure length.Meters are used to measure length.Meters are used to measure length.
mainly meters are being used : symbol (m)
The meter is the standard SI unit of length. ( kilometers when longer distances are talked about )
meters
metre
inches
centimeter
The length is called the astronomical unit.