Square Footage Calculator

Square Footage Calculator is a construction tool used to calculate the area of a surface or space in square feet. The square footage calculator is useful to calculate the amount of flooring, paint, tile, or carpet is needed for construction and renovation.

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Square

Rectangle

Length:
Width:

Rectangular Border

Outer Length:
Outer Width:
Inner Length:
Inner Width:

Circle

Circle Border

Outer Radius:
Inner Radius:

Triangle

Base:
Height:

Trapezoid

Base A:
Base B:
Height:

Side: