Calculators / Quick tool
Rectangle Calculator
Calculate rectangle area, perimeter and diagonal from positive side lengths.
● Processed locally in your browser
How to useHow to use Rectangle Calculator ⌄
Calculate rectangle area, perimeter and diagonal from positive side lengths.
- 1
Paste content, enter parameters or choose the files you need in “Length and width”.
- 2
Choose “Calculate rectangle” for the job. Processing runs in this browser.
- 3
Review the result under “Rectangle measurements”, then copy or download it after checking the output.
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