Calculate the square footage of rooms, homes, or any area. Support for rectangles, circles, triangles, and more. Get instant conversions to square yards, meters, and acres.
Total Area
120 sq ft
120
Square Feet
13.33
Square Yards
11.15
Square Meters
0.0028
Acres
| Room Type | Typical Size | Sq Ft |
|---|---|---|
| Small Bedroom | 10 x 10 ft | 100 sq ft |
| Average Bedroom | 12 x 12 ft | 144 sq ft |
| Master Bedroom | 14 x 16 ft | 224 sq ft |
| Small Living Room | 12 x 14 ft | 168 sq ft |
| Large Living Room | 16 x 20 ft | 320 sq ft |
| Kitchen | 10 x 12 ft | 120 sq ft |
| Bathroom | 5 x 8 ft | 40 sq ft |
| One Car Garage | 12 x 20 ft | 240 sq ft |
| Two Car Garage | 20 x 22 ft | 440 sq ft |
Area = Length x Width
Example: 10ft x 12ft = 120 sq ft
Area = Pi x Radius x Radius
Example: 5ft radius = 78.5 sq ft
Area = (Base x Height) / 2
Example: 10ft base, 8ft height = 40 sq ft
Area = ((Side1 + Side2) / 2) x Height
Example: 10ft + 8ft sides, 6ft height = 54 sq ft
For a rectangle or square, multiply length by width. For example, a 10 ft x 12 ft room is 120 sq ft. For irregular shapes, divide them into rectangles, calculate each, and add them together.
To convert square feet to square meters, multiply by 0.0929. For example, 100 sq ft = 9.29 sq meters. To convert square meters to square feet, multiply by 10.764.
One acre equals 43,560 square feet. This is roughly equivalent to a football field (minus the end zones). To convert square feet to acres, divide by 43,560.
Square footage affects home value, property taxes, heating/cooling costs, and furniture needs. Price per square foot helps compare homes in the same area. Typical US homes range from 1,500 to 3,000 sq ft.
Break odd shapes into regular shapes (rectangles, triangles, circles). Calculate each section separately, then add them together. For L-shaped rooms, divide into two rectangles. For curves, approximate with circles or semicircles.
Total Area
120 sq ft