Calculate the area of rectangles, circles, and triangles in square feet, yards, meters, and acres.
Rectangle: area = length × width; circle: πr²; triangle: ½ × base × height; convert between square feet, square yards, square meters, and acres.
A 12 ft × 15 ft room has an area of 180 sq ft, or 20 sq yd, or about 0.0041 acres.
Rectangles, circles, and triangles, with results in square feet, square yards, square meters, and acres.
Add a waste percentage (commonly 10%) when ordering materials like flooring or tile.
Yes. Add multiple shapes together to total the square footage of an irregular space.