What you provide
What you provide
- Moment of inertia expressed in kg m^2, using the same scenario as the other inputs
- Angular velocity expressed in rad/s, using the same scenario as the other inputs
PHYSICS / ROTATION
Rotational Kinetic Energy Calculator
Calculate rotational kinetic energy from moment of inertia and angular velocity. Review the symbolic equation, substituted SI values, assumptions, and result together.
- 01 Calculated in this tab
- 02 Values stay in this browser tab
- 03 Use boundary
Use boundary
Calculation path
Calculate rotational kinetic energy from moment of inertia and angular velocity. The page evaluates the displayed equation from your supplied values and presents both symbolic and substituted KaTeX working so the arithmetic can be checked.
Calculation path
K_rot=(1/2)I omega^2
What you receive
What you receive
- Rotational kinetic energy in J from the stated equation
- A symbolic formula plus substituted working with your values
- Visible assumptions, field guidance, and an authoritative learning reference
Use boundary
Choose the maximum decimal places shown. This does not increase source accuracy.
The body is rigid and the supplied moment of inertia is about the actual rotation axis.
Use internally consistent units and retain extra precision when carrying the result into another calculation.
Reviewed reference factors