Square Footage Calculator
Calculate square footage for rooms and spaces.
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Square Meters
Acres
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Frequently Asked Questions
How do I calculate square footage?
Multiply length by width in feet. For irregular shapes, break into rectangles, calculate each, and add them together.
How do I convert sq ft to sq meters?
Multiply by 0.0929. Example: 120 sq ft = 11.15 m².
How many sq ft in an acre?
One acre = 43,560 square feet, roughly the size of a football field without end zones.
How do I measure odd-shaped rooms?
Break the room into rectangles and triangles. Calculate each area separately and add them together.
How much flooring do I need?
Calculate square footage and add 10% for waste and cuts. For diagonal installation, add 15%.