Calculate the velocity of one object as observed from another moving object. This calculator handles both same-direction and opposite-direction relative motion in one dimension.
Enter your values below
Velocity of the first object (positive = right)
Velocity of the second object (positive = right)
How this calculator works
Relative velocity of A with respect to B equals velocity of A minus velocity of B.
Common questions about this calculator
These calculators are for educational and informational purposes only. While we strive for accuracy, results should be verified for critical applications. Always consult authoritative sources for engineering or scientific work.
