Full name: millimetre/second
Plural form: millimeters/second
Symbol: mm/s
Alternate spelling: millimetres/second
Category type: speed
Scale factor: 0.001
The SI derived unit for speed is the meter/second.
1 meter/second is equal to 1000 millimeter/second.
Valid units must be of the speed type.
You can use this form to select from known units: