Knots to mph converter
Free online knots to mph and speed converter. Convert between km/h, mph, m/s, knots, ft/s and Mach instantly.
How it works
- 1
Enter the speed
Type the speed value you want to convert in the field, decimals included.
- 2
Select the starting unit
Choose the starting unit from the menu: km/h, mph, m/s, knots, feet/second or Mach.
- 3
View all conversions
The tool instantly shows the conversion to all other speed units, useful for road traffic, navigation or aviation.
FAQ
How do I convert km/h to mph?
Divide km/h by 1.609. For example: 100 km/h = 62.14 mph.
What is a knot?
A knot is the speed unit used in maritime and aviation navigation. 1 knot = 1.852 km/h = 1 nautical mile/hour.
What is the Mach number?
Mach expresses speed relative to the speed of sound. Mach 1 = about 1235 km/h at sea level. Mach 2 is twice the speed of sound.
