Mile/hour (mph) to Kilometer/hour (kmh)

1 mph = 1.609344 kmh. Free Speed converter from Mile/hour to Kilometer/hour.

About Speed

Free Speed converter from Mile/hour (mph) to Kilometer/hour (kmh). The base rate is 1 mph = 1.609344 kmh; enter any number for an instant conversion using standard factors.

Popular conversions

kmh → mph kmh → mps kmh → knot mph → mps mph → knot mps → kmh mps → mph mps → knot

Frequently asked questions

Are the results accurate?

We use standard financial formulas and official rates, but results are for reference only. Confirm important decisions with a professional.

Is my input data stored?

No. All calculations run only in your browser — nothing is sent to or stored on our servers.

Is it free to use?

Yes, completely free, with no sign-up or login required.