Momentum Calculator

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Pick the unknown. The other two fields become the knowns.
Use a negative value for motion in the opposite direction.
MomentumCarrying momentum
30,000kg·m/s
Momentum (imperial)216,990.416lb·ft/s
Kinetic energy300,000J

The momentum is 30,000 kg·m/s.

  • Momentum is the product of mass and velocity: p = m·v.
  • It is a vector, so its sign or direction shows which way the object travels.
  • Stopping this object requires an impulse of 30,000 N·s (force × time).
  • At this speed it also carries 300,000 J of kinetic energy.

Next stepUse impulse J = F·t = Δp to find the force needed to change this momentum over a given time.

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