Welcome to The Unit Conversion Engine!

The Velocity Conversion Page
Select The Units To Convert:

Input Quantity To Convert:

Convert To (All units is the default):

miles per hour feet per second knots (nautical miles/hour)

kilometers per hour meters per second light-speed (c) mach number (sea level, 25 degrees C)

INCLUDE CONVERSION EQUATIONS?

RESULTS:

Notes:

The speed of sound, mach number, varies widely according to temperature and the density of the medium. As you can see, I've provided the number for air, at sea level and 25 degrees celcius.