Enter the mass momentum of inertia and the angular velocity of an object to calculate the rotational kinetic energy.

## Rotational Kinetic Energy Formula

The following equation is used by the calculator to determine the rotational kinetic energy of an object.

E = 0.5 * I * ω²

• Where E is the rotational kinetic energy in Joules
• I is the mass moment of inertia
• w is the angular velocity

## Rotational Kinetic Energy Definition

Rotational kinetic energy is an amount of energy contained by an object undergoing a rotational motion.

## How to calculate a rotational kinetic energy?

How to calculate a rotational kinetic energy?

1. First, determine the moment of inertia.

Calculate the mass moment of inertia using the calculator linked above.

2. Next, determine the angular velocity.

Measure the angular velocity.

3. Finally, calculate the rotational kinetic energy.

Using the formula above, calculate the rotational energy.

## FAQ

What is a rotational kinetic energy?

Rotational kinetic energy is an amount of energy contained by an object undergoing a rotational motion.