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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 measurements from km per second to miles per second and miles per second to km per second.

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

Result window

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Conversion formula

1 mi/s = 1.609344 km/s

1 km/s = 0.6213712 mi/s

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