Speed Calculator
Calculate Speed
Speed in Different Units
About Speed Units
Common Units
Kilometers per hour (km/h) and miles per hour (mph) are the most commonly used units for everyday speed measurements like vehicle speeds.
Scientific Units
Meters per second (m/s) is the SI unit of speed. It's commonly used in physics and scientific calculations.
Aviation Units
Knots (nautical miles per hour) are used in aviation and marine navigation. Mach number represents the ratio of speed to the speed of sound.