Feet/second to miles/second (ft/s to mi/s) converter

You can enter a value in either the feet/second (ft/s) or miles/second (mi/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 miles/second to miles/second to feet/second.

feet/second (ft/s)

 

miles/second (mi/s)

 
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1 ft/s = 0.00018939 mi/s 1 mi/s = 5280 ft/s

Algebraic Steps / Dimensional Analysis Formula
ft/s * 1 mi/s
5280 ft/s
= mi/s

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

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