How does the Area Calculator work?

Calculate area for common 2D shapes. The tool calculates an estimate from the values entered.

Can I copy the result?

Yes. Use the Copy Result button to copy the current results.

Geometry

Calculate area for common 2D shapes.

Shape

Length / Radius / Base

Width / Height

Primary Result -

Secondary Result -

Additional Result -

Formula

Rectangle: l*w; Circle: pi*r^2; Triangle: base*height/2

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