How to Calculate Square Footage: Room, House & More
Square footage measures the area of a space. It is commonly used for rooms, flooring, paint planning, construction materials, real estate listings, and renovation estimates.
Basic Formula
Square Footage = Length × WidthMeasure length and width in feet, then multiply them together.
Example
A room that is 12 feet long and 10 feet wide is 120 square feet.
Irregular Spaces
For L-shaped or irregular rooms, divide the space into smaller rectangles, calculate each rectangle separately, then add the totals.