A square footage calculator computes the area of a rectangular space in square feet, square metres, and acres.
About this calculator
A square footage calculator computes the area of a rectangular space in square feet, square metres, and acres. Square footage is the standard measurement for residential and commercial real estate in the US and is commonly used for pricing flooring, paint, and landscaping materials.
For non-rectangular spaces, divide the area into rectangles, calculate each separately, and add the results.
Common uses
- Calculate the square footage of a home or apartment
- Determine how many boxes of flooring tiles are needed
- Calculate paint coverage for walls or ceilings
- Estimate landscaping material quantities for a garden
Frequently asked questions
How do I convert square feet to square metres?
1 square foot = 0.0929 square metres. To convert, multiply square feet by 0.0929. For example, 1,000 square feet = 1,000 × 0.0929 = 92.9 square metres. To go the other direction: square metres × 10.764 = square feet.