# Miles/hour to millimeters/second (mi/hr to mm/s) Metric conversion calculator

Welcome to our miles/hour to millimeters/second (mi/hr to mm/s) conversion calculator. You can enter a value in either the miles/hour or millimeters/second input fields. For an understanding of the conversion process, we include step by step and direct conversion formulas. If you'd like to perform a different conversion, just select between the listed Speed units in the 'Select between other Speed units' tab below or use the search bar above. Tip: Use the swap button to switch from converting miles/hour to millimeters/second to millimeters/second to miles/hour.

## millimeters/second (mm/s)

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1 mi/hr = 447.04 mm/s 1 mm/s = 0.00223694 mi/hr

Algebraic Steps / Dimensional Analysis Formula
 mi/hr * 1 mi/s 3600 mi/hr * 5280 ft/s 1 mi/s * 1 m/s 3.2808 ft/s * 1000 mm/s1 m/s = mm/s

Direct Conversion Formula
 mi/hr * 447.04 mm/s1 mi/hr = mm/s

 feet/hour 0 feet/second 0 kilometers/hour 0 kilometers/second 0 knots 0 meters/hour 0 meters/second 0 miles/hour 0 miles/second 0
If you would like to switch between Speed units, select from the tables below

 centimeters/hour centimeters/second decimeters/hour decimeters/second dekameters/hour dekameters/second feet/hour feet/second gigameters/hour gigameters/second hectometers/hour hectometers/second kilometers/hour kilometers/second knots megameters/hour megameters/second meters/hour meters/second micrometers/hour micrometers/second miles/hour miles/second millimeters/hour millimeters/second yards/hour yards/second < == > centimeters/hour centimeters/second decimeters/hour decimeters/second dekameters/hour dekameters/second feet/hour feet/second gigameters/hour gigameters/second hectometers/hour hectometers/second kilometers/hour kilometers/second knots megameters/hour megameters/second meters/hour meters/second micrometers/hour micrometers/second miles/hour miles/second millimeters/hour millimeters/second yards/hour yards/second

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