About the Potential Energy Calculator
Gravitational potential energy (mgh) at a height, with the speed it reaches if dropped.
Also known as: pe calculator, gravitational potential energy, mgh calculator.
How to use this calculator
- Enter mass, height, gravity.
- 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
PE = m g h
Worked example
Using the values pre-filled in the calculator above:
- Mass = 10 kg
- Height = 15 m
- Gravity = 9.8067 m/s²
the calculator returns:
- Potential energy: 1,471 J
- Speed at impact if dropped: 17.15 m/s
- Kilojoules: 1.471