Feet/second to millimeters/second (ft/s to mm/s) converter

You can enter a value in either the feet/second (ft/s) or millimeters/second (mm/s) input fields. For an understanding of the conversion process, we include algebraic formulas.

See conversions to common Speed units and easily switch Speed units in the two tabbed section below. Use the search bar above to find additional conversions.

Tip: Click the "Swap" button to switch from converting feet/second to millimeters/second to millimeters/second to feet/second.

feet/second (ft/s)

 

millimeters/second (mm/s)

 
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1 ft/s = 304.8 mm/s 1 mm/s = 0.00328084 ft/s

Algebraic Steps / Dimensional Analysis Formula
ft/s * 1 m/s
3.2808 ft/s		 * 1000 mm/s
1 m/s		 = mm/s

Direct Conversion Formula
ft/s * 304.8 mm/s
1 ft/s		 = mm/s

If you would like to switch between Speed units, select from the tables below

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