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

Convert between Km per second and Miles per second

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 second and vice-versa.

Km per second (km/s)

Miles per second (mi/s)

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

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Conversion formula

1 mi/s = 1.609344 km/s

1 km/s = 0.6213712 mi/s

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