Kilometers per hour to miles per hour

This free conversion calculator will convert kilometers per hour to miles per hour, i.e. km/h to mph. Correct conversion between different measurement scales.

The formula is $$$S_{\text{mph}} = 0.621371192237334 S_{\frac{km}{h}}$$$, where $$$S_{\frac{km}{h}} = 15$$$.

Therefore, $$$S_{\text{mph}} = 9.32056788356000954426151276545$$$.

Answer: $$$15 \frac{km}{h} = 9.32056788356000954426151276545 \text{mph}$$$.