Square Footage Calculator
Calculate square footage for rooms, floors, walls, and project areas.
Square Footage Calculator
Enter your values below
ft
ft
—Result
Formula & How It Works
Area = Length × Width × QuantityFor irregular spaces, split the area into rectangles and add the totals.
Use this calculator as a fast planning tool. Always confirm important financial, medical, construction, or recipe measurements with a qualified source before making final decisions.