Momentum Calculator

Free momentum calculator to calculate momentum. Instant results in your browser — no signup.

JavaScript is required for live calculation.

You can still read how Momentum Calculator works, the formula, examples, and FAQs below.

Direct calculator

Inputs

Mass (kg)

Velocity (m/s)

Results update when you click Calculate.

Momentum

20.0000 kg·m/s

p = mv = 4.0000 × 5.0000 = 20.0000 kg·m/s

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Tools you open will show up here on this device — with your last inputs when available.

Free momentum calculator to calculate momentum. Instant results in your browser — no signup. p = mv (kg·m/s).

p = mv (kg·m/s).

4 kg at 5 m/s → 20 kg·m/s.

Vector?+

This scalar tool uses speed magnitude; direction matters in vector form.