Convert 42 Feet per second to Millimeters per second

42 Feet per second (ft/s)

1 ft/s = 304.8 mm/s

12,801.6 Millimeters per second (mm/s)

1 mm/s = 3.3e-03 ft/s

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The answer is 3.3e-03 Millimeter per second

42 Foot per second is equal to 12,801.6 Millimeter per second. Formula to convert 42 ft/s to mm/s is 42 * 304.8

The answer is 0.137795 Feet per second