Geometry Calculator
Calculate area, perimeter or volume for common shapes from their dimensions.
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Keep this page handy for next time.
- On a computer
- Press Ctrl + D, or Command + D on a Mac.
- On a phone or tablet
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A bookmark saves the page link. Save any tool results separately.
How to use this tool
- Choose a shape and enter dimensions using a consistent unit.
- For circles, cylinders and spheres, the first value is the radius.
Things to know
- Triangles are right-angled. Results use squared/cubed versions of the input unit; pi is rounded numerically.
- Three finite numeric dimensions, each at most 120 characters; six supported shapes. Nonfinite numerical results are rejected.
- Use no more than 200,000 characters across the input and settings.
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