c+CalcLantern

Area & square footage

Measure a rectangular or circular space.

How this works

Rectangle: length × width. Circle: π × (diameter ÷ 2)².

Example

Using the example inputs, total area is 120 ft².

Shape
Rectangle
Length / circle diameter
12 ft
Width (rectangle only)
10 ft
Price per square foot
0 USD
Total area
120 ft²

Scope and assumptions

Flat geometric area only, not a professional real-estate measurement. Width is not used for circles.

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