Converters
Speed Converter
Convert between km/h, mph, m/s, and more.
Result
0.6213888889
1 km/h = 0.6213888889 mph
Documentation
How to Use
1
Enter a speed value
Type the speed you want to convert in the input field.
2
Select units
Choose the source and target speed units.
3
Get result
The converted speed appears instantly as you type.
Pro Tips
1 mph = 1.609 km/h
Speed of sound is ~343 m/s at sea level
Examples
Input
100 km/h
Output
62.137 mph