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Area and perimeter
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Math
Area and perimeter
Area and perimeter
Calculate the area and perimeter of rectangles, circles, triangles, trapezoids and more.
Math
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How to use this tool
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2
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3
Copy or download the result
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Frequently asked questions
Is Area and perimeter free?
Yes, it's completely free and no sign-up is required.
Are my files uploaded to a server?
No. Area and perimeter runs in your browser: your files and data never leave your device.
Does it work on my phone?
Yes. It works in the browser on phones, tablets and computers, with nothing to install.
