Pythagorean Theorem Calculator
Calculate a right triangle hypotenuse, area, and perimeter.
Discount Calculator
Calculate the sale price and how much you save.
About the Discount Calculator
Calculate the sale price and how much you save. 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 Discount 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 Discount 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.