Miles per Hour to Kilometers per Hour Converter

Speed guide

How to use the Miles per Hour to Kilometers per Hour Converter

Convert miles per hour (mph) to kilometers per hour (km/h) with the exact speed formula, worked examples, and a common-values table. The page also explains the miles Per Hour to kilometers per hour formula and shows a practical example: 1 mph equals 1.6093445 km/h. 10 mph equals 16.093445 km/h.

1. 1

   Enter your details

   Enter the source value, then choose the units or values you want to convert.

2. 2

   Check the calculation

   Review the result alongside the miles Per Hour to kilometers per hour formula: km/h = mph × 1.6093445.

3. 3

   Compare scenarios

   Change one or more inputs to see how they affect the miles per Hour to Kilometers per Hour Converter result before you use the estimate.