Rotational Kinetic Energy Calculator

0.0(0)

Calculates the kinetic energy an object possesses due to its rotation (KE = 1/2 Iω²).

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Moment of Inertia (I) and Angular Velocity (ω) in the units shown.

Step 2

Read Rotational Kinetic Energy (KE) in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

See the inputs and their calculated results.

Moment of Inertia (I): 1 kg⋅m²; Angular Velocity (ω): 2 rad/s

Rotational Kinetic Energy (KE): 2 Joules

Moment of Inertia (I): 2 kg⋅m²; Angular Velocity (ω): 3 rad/s

Rotational Kinetic Energy (KE): 9 Joules

Moment of Inertia (I): 5 kg⋅m²; Angular Velocity (ω): 1 rad/s

Rotational Kinetic Energy (KE): 2.5 Joules

Explore the topic

Find calculators for chemistry, biology, lab dilution, concentration, osmolarity, genetics, physics, and experimental planning.

People Also Calculate

Continue with another tool on a related topic.

Calculates the horizontal angle (azimuth) of a celestial body or a point relative to a reference direction (e.g., North).

Analyzes forces and distances in a lever system based on the fulcrum position.

Calculates electrical power using voltage, current, and resistance, based on the formulas P=VI, P=I²R, and P=V²/R.

Calculates the component values (e.g., in L-networks) needed to match impedances for maximum power transfer.