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Square Footage Calculator
Calculate the square footage of rectangular rooms, floors, walls, or other spaces.
Dimensions
ft
ft
Area
Total square footage
300.00 ft²
Area per section300.00 ft²
How to calculate square footage
For a rectangular area, multiply the length by the width. If you have several identical rooms or sections, multiply the result by the number of areas.
Formula
Square Footage = Length × Width