Square Footage Calculator

Length (ft) Width (ft)

Result will appear here

Square footage is the foundation for almost every home project estimate — flooring, paint, tile, and even real estate listings all start here.

How to Use This Calculator

Enter the length and width of the room or area in feet and click Calculate to get the total square footage.

Square Feet = Length × Width. For irregular rooms, split the space into rectangles, calculate each separately, and add the results together.

How do I measure an L-shaped room?

Split it into two rectangles, calculate the square footage of each separately, and add them together.

How many square feet is a 12×15 room?

A 12×15 ft room is 180 square feet.

Does square footage include closets?

For flooring and paint estimates, yes — measure and include any enclosed space you plan to cover.

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