Square Footage Calculator

Compute the square footage of any room or floor plan from length and width.

Length (ft)Width (ft)Height (ft)

Extra sections (L×W per line, for L-shaped rooms)

Result

Floor area

120 sq ft

Volume

960 cu ft

Total area (incl. sections)

120 sq ft

In square meters

11.1 m²

About this tool

Add the length and width of each rectangular section (plus extra rectangles for L-shaped rooms), pick feet or meters, and get the total area in sq ft / sq m / sq yd. Useful for flooring, paint, and tile estimating on r/HomeImprovement and r/flooring.

Related tools

More home & diy you might find useful.

Furnace Filter Size Finder

Find the right filter dimensions and MERV rating for any furnace or return grille.

LED Bulb Wattage Replacement

Find the LED bulb equivalent for any incandescent or halogen wattage.

Tile & Flooring Calculator

Estimate how many tiles or boxes you need for any floor or wall.

Other categories

Looking for something different? Browse the rest of the catalog.

Suggest a tool