CALCULATOR
Miles per Hour to Kilometers per Hour Converter
Convert miles per hour to kilometers per hour. Enter a value to update the result.
How the calculation works
Kilometers per Hour = Miles per Hour × 1.609344.
Worked example
With miles per hour 1 mph, kilometers per hour is 1.609344 km/h.
Assumptions and limits
Standard speed unit conversion. Results use finite floating-point arithmetic.