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MPH to KM/H Converter

Convert miles per hour to kilometers per hour using 1 mile = 1.609344 kilometers exactly.

Convert miles per hour to kilometers per hour

Result

— km/h
Swap units

Formula

Convert miles per hour to kilometers per hour using 1 mile = 1.609344 kilometers exactly.

km/h = mph × 1.609344

Worked example

1 mph = 1.609344 km/h.

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