STEP 1

Please select your starting speed unit.

You will find a list of the speed unit below. Simply click on one of these units and follow on-screen instructions.

metric units

meters per second (ms^-1)

kilometers per second (kms^-1)

kilometers per hour (kmh^-1)

meters per minute (mmin^-1)

imperial units

miles per second (mps)

miles per hour (mph)

foot per second (fpsec)

foot per minute (fpmin)

sport units

minute per kilometer (min/km)

second per kilometer (sec/km)

second per 100 meters (sec/hm)

minute per mile (min/mile)

second per mile (sec/mile)

nautical speed units

seamile per hour (seamiles/hour)

other speed units

speed of light (c)

mach (speed of sound) (Ma)