About the Impulse Calculator
Impulse (J = FΔt) and the change in momentum it produces, or the force needed for an impulse.
Also known as: impulse momentum theorem, impulse formula, change in momentum.
How to use this calculator
- Enter solve for, mass and the other fields.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Review the breakdown shown under the main result.
- Use Copy result or Share to save the answer or send a link with your inputs.
Impulse formula
J = F × Δt = m × Δv
Worked example
Using the values pre-filled in the calculator above:
- Solve for: Impulse
- Force = 500 N
- Contact time = 0.05 s
- Mass = 0.6 kg
the calculator returns:
- Impulse: 25 N·s
- Velocity change: 41.667 m/s