Electricity Cost Calculator
Estimate appliance energy use and electricity cost.
Pythagorean Theorem Calculator
Calculate a right triangle hypotenuse, area, and perimeter.
About the Pythagorean Theorem Calculator
Calculate a right triangle hypotenuse, area, and perimeter. It runs entirely in your browser — nothing is uploaded to a server, so it is fast and private. Just use it and go.
How to use the Pythagorean Theorem Calculator
- Enter or paste your input into the tool above.
- Adjust any options to fit what you need.
- Copy or download the result.
Frequently asked questions
Is the Pythagorean Theorem Calculator free?
Yes. This tool is completely free to use, with no sign-up required.
Is my data safe?
Everything runs locally in your browser. Your input never leaves your device.