Rectangle calculator
Enter your data, get an instant result and copy it in one click. Everything is processed inside your browser.
- ✓ Local processing
- ✓ Works offline
- ✓ No sign-up
Input data
Result
The utility is ready. Your data stays on this device.
Private, fast and dependency-free
This utility uses standard browser JavaScript. It does not need to send your content to an API or create an account.