Geometry Calculator
Calculate area, perimeter, volume, surface area for 2D and 3D shapes⌘⏎ run · ⇧⌘C copy · ⎋ resetINPUTDimension 1 (radius/side/length)
OUTPUT
❯ _Run an operation to see results here.then press ⌘⏎
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What is Geometry Calculator?
The Geometry Calculator computes area, perimeter, volume and surface area for common 2D and 3D shapes in your browser. Choose a shape, enter its dimensions and get exact results with the formula used. Useful for school, DIY and engineering estimates.
How to use it
- 01Select a 2D or 3D shape.
- 02Enter the required dimensions.
- 03Read the area/perimeter or volume/surface-area result.
FAQ
Which shapes are supported?
Common ones — circles, triangles, rectangles, polygons, spheres, cylinders, cones and more.
What units does it use?
It is unit-agnostic — enter consistent units and results follow them.
Is my input private?
Yes — calculations are done locally.