Time
meeters?
a millimeter
Millimetre.
The meter.
You find a tape measure and take the measurement across the door, then the length of it, then if necessary the thickness.
You would typically use minutes to measure the length of a television show.
Centimeters
Cm .
A kilometre.
Centimeters
meeters?
a millimeter
Millimetre.
always the meter to measure length. This is an SI (international) unit of measurment, and is the standard international unit of measurment for length.
Milligrams
the metric system
The meter.