Millimetre per second is metric speed unit, symbol: [mm/s]. Definition of 1 millimetre per second ≡ 1 mm / 1 s. The speed at which the body moves 1 millimetre in 1 second. The average snail speed is approx. 1 mm/second. Compared to metre per second, millimetre per second is smaller unit.
• 1 [mm/s] = (exactly) `0.001` [m/s]
• 1 [m/s] = (exactly) `1/(0.001)` [mm/s] = 1000 [mm/s]
Multiply convert of millimetre per second to common speed units:[mm/s]
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See also: millimetre length unit. http://conversion.org/length/m...