Units of measurement
From value
To value
Calculations
Mach (Mach)
Foot per second (ft/s)
0
0123456789
Information
Mach (Mach)
Mach is a unit of speed based on the speed of sound in air. Mach 1 is equal to the speed of sound, which varies with air temperature (approximately 343 m/s at 20°C).
Foot per second (ft/s)
Foot per second (ft/s) is a unit of speed equal to one foot traveled per second. It is used in some engineering calculations and physics.