Megameters/second to miles/second (Mm/s to mi/s) converter

You can enter a value in either the megameters/second (Mm/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 megameters/second to miles/second to miles/second to megameters/second.

megameters/second (Mm/s)

 

miles/second (mi/s)

 
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1 Mm/s = 621.37119224 mi/s 1 mi/s = 0.00160934 Mm/s

Algebraic Steps / Dimensional Analysis Formula
Mm/s * 1000000 m/s
1 Mm/s
* 3.2808 ft/s
1 m/s
* 1 mi/s
5280 ft/s
= mi/s

Direct Conversion Formula
Mm/s * 621.37119224 mi/s
1 Mm/s
= mi/s

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

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