Gross living area
For most people, the gross floor area or gross living area (GLA) of a home is what they’re thinking when they hear “square footage.” Here’s how to calculate your GLA:- Draw a floor plan of the interior of the home, drawing each floor separately — a simple sketch will do.
- Break the home into measurable rectangles (such as bedrooms and hallways).
- Don’t include unfinished areas, including patios, porches, and exterior staircases.
- Calculate the area of each rectangle by multiplying its length by its width.
- The sum of all these rectangles is the square footage of the home.