Multiply the speed in mph by 1.609344, since one mile is exactly 1.609344 kilometers. So 60 mph is about 96.56 km/h and 30 mph is about 48.28 km/h. A free converter returns the exact figure for any speed instantly.
Free mph to kph converter. Convert miles per hour to kilometers per hour instantly (1 mph = 1.609344 km/h). Live result as you type, private.
Open MPH to KPH Converter → Free toolFree speed converter. Convert between meters per second, km/h, mph, knots, and feet per second instantly with exact factors, updating live as you type.
Open Speed Converter →Because miles per hour and kilometers per hour share the same time unit, converting speed uses the exact same factor as converting distance: multiply mph by 1.609344 to get km/h. A quick mental shortcut is to add about 60 percent, so 60 mph is roughly 96 km/h, close to the true 96.56.
Common values: 20 mph is about 32.19 km/h, 30 mph is about 48.28 km/h, 60 mph is about 96.56 km/h, and 70 mph is about 112.65 km/h. Speed limits and speedometers switch between the two systems when you cross borders or read a foreign car, and a general speed converter also handles knots, meters per second and more.
About 96.56 km/h, from 60 x 1.609344.
Add about 60 percent to the mph figure, or multiply by 1.6. That lands within about 1 percent of the exact factor.
About 62.14 mph, dividing by 1.609344.