Speed converter
Speed converter online: km/h, miles per hour, m/s, knots and feet per second. Convert km/h to m/s or mph to km/h in a second.
Kilometers per hour
Miles per hour
1 km/h
0.6214 mph
How to use it
1
Enter a value
The speed you want to convert.
2
Choose the units
Which unit to convert from and to.
3
See the result
The answer updates automatically.
Why it's useful
Speed is shown differently: km/h on most countries' roads, miles per hour in the US and UK, knots in aviation and at sea, m/s in physics. Reading foreign data constantly requires converting.
A speed converter instantly translates between km/h, miles per hour, meters per second, knots and feet per second. Just enter a value and pick the units.
FAQ
One mile per hour equals about 1.609 km/h.