All tools / Unit Converter1 kmh to mph1 kmh = 0.621371 mphFormula1 kmh = 0.621371 mph, so 1 × 0.621371 = 0.621371Need another value? Use the full Unit ConverterOther kmh → mph conversions2 kmh → mph3 kmh → mph5 kmh → mph10 kmh → mph15 kmh → mph20 kmh → mphReverse conversion1 mph → kmhRelated conversions1 mph → kmh1 mps → kmh1 knots → kmh