Momentum Calculator – p = mv

Calculate momentum from mass and velocity using p = mv.

How It Works

Enter mass in kilograms and velocity in m/s. The calculator returns momentum in kg·m/s. You can also solve for mass or velocity.

Formula

p = m × v

Frequently Asked Questions

What is momentum?

Momentum is the product of an object's mass and velocity (p = mv). A 1000 kg car at 10 m/s has 10,000 kg·m/s of momentum.

Is momentum conserved?

Yes. In a closed system with no external forces, total momentum before and after a collision is equal (conservation of momentum).