About the Angular Acceleration Calculator
Angular acceleration from the change in angular velocity over time (α = Δω/t).
Also known as: alpha calculator, rotational acceleration, angular acceleration formula.
How to use this calculator
- Enter solve for.
- 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.
Formula
α = Δω / t · τ = Iα
Worked example
Using the values pre-filled in the calculator above:
- Solve for: Angular acceleration
- Change in angular velocity = 20 rad/s
- Time = 10 s
the calculator returns:
- Angular acceleration: 2 rad/s²
- Change in angular velocity: 20 rad/s
- Time: 10 s