Calculate square feet from length × width in feet, or find the side length of a square from its area.
Feet measure length and square feet measure area. A single length needs a width, unless the shape is a square.
ft
ft
Feet to square feet
Multiply length by width. A room measuring 12 ft × 10 ft has an area of 120 ft².
Square feet to feet
There is no single conversion unless a shape is known. For a square, take the square root of the area.
Metric equivalent
Multiply ft² by 0.09290304 to convert square feet to square meters.
