Asked in Units of Measure
How much do you have to divide to get from kph to mph?
Divide kph by 1.609 to get mph. (Same as you would do with kilometers to get miles.) Of course, you may find it easier to mentally multiply the kph by 0.6214, which is the same operation, and for a ballpark figure you can use 0.62 for most speeds. Example : 80 kph is about 50 mph. ...