Square Footage Calculator

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Calculates the area in square feet for different shapes, including rectangles, circles, and triangles.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Shape, Rectangle Length, Rectangle Width, Circle Radius, Triangle Base, and Triangle Height in the units shown.

Step 2

Read Triangle Area, Circle Area, Rectangle Area, and Total Area in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

See the inputs and their calculated results.

Shape: Rectangle; Rectangle Length: 10 ft; Rectangle Width: 5 ft; Circle Radius: 3 ft; Triangle Base: 8 ft; Triangle Height: 6 ft

Triangle Area: 24 sq ft; Circle Area: 28.27431 sq ft; Rectangle Area: 50 sq ft; Total Area: 50 sq ft

Shape: Rectangle; Rectangle Length: 20 ft; Rectangle Width: 15 ft; Circle Radius: 3 ft; Triangle Base: 8 ft; Triangle Height: 6 ft

Triangle Area: 24 sq ft; Circle Area: 28.27431 sq ft; Rectangle Area: 300 sq ft; Total Area: 300 sq ft

Shape: Circle; Rectangle Length: 10 ft; Rectangle Width: 5 ft; Circle Radius: 5 ft; Triangle Base: 8 ft; Triangle Height: 6 ft

Triangle Area: 24 sq ft; Circle Area: 78.53975 sq ft; Rectangle Area: 50 sq ft; Total Area: 78.53975 sq ft

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