Calculators » Conversion » Speed » Km per second and Miles per hour

Convert between Km per second and Miles per hour

Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can convert speed in different units of measurement, viz., from km per second to miles per hour and vice-versa.

Km per second (km/s)

Miles per hour (mi/h)

Enter the value you want to convert, and leave the target field blank.

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Conversion formula

1 mi/h = 0.000447 km/s

1 km/s = 2236.9362921 mi/h

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