How to convert 40 kilometers per hour to Mph correctly?
Speed Converter: km/h to mph
Use this converter to easily transform kilometers per hour to miles per hour.
40 km/h = 24.85 mph
Formula: 1 km/h = 0.621371 mph
To convert forty km/h to miles per hour, you need to do the following:
40 Kmh × 0.621371 = 24.85484 (Miles per Hour)
Let’s round up 24.85484 ≈ 24.855 mi/h
40 Kph ≈ 24.855 Mph