Meters should be used to measure the length of a tennis court in metric units.
Milimeters
You would use the metric unit "meters" to measure the length of a room.
Length->metersVolume->LitersMass->grams
Millimetres or micrometers
Metres
Meters should be used to measure the length of a tennis court in metric units.
I would use centimetres.
You would use a ruler and measure in millimeters or centimeters.
feet
Centimeters
mmeters
Centimetres
centimeter
Milimeters
You would use the metric unit "meters" to measure the length of a room.
Length->metersVolume->LitersMass->grams