Solve travel and motion problems by deriving any one variable from the other two.
Speed-distance-time relationships are widely used in travel planning and physics problems.
This calculator solves for whichever variable is unknown with consistent units.
Convert units before calculation to avoid scale mistakes.
Select speed, distance, or time to solve.
Provide two known variables.
Ensure distance and time units match desired speed unit.
Apply core motion equation.
Switch between km/h, mph, m/s, and more.
Speed = Distance / Time
Motion speed is rate of distance change over elapsed time.
120/2
60 km/h
300/50
6 hours
72*1.5
108 km