Construction Calculator
Area Calculator
Calculate square feet, square yards, square meters, acres, waste-adjusted area, and estimated material cost for flooring, roofing, drywall, paint, decking, concrete slabs, landscaping, tile, and carpet projects.
Area 1
Choose a shape, unit system, material, waste percentage, and cost per square foot.
Supported shapes
Rectangle / Square: length × width
Triangle: (base × height) ÷ 2
Circle: π × radius²
Trapezoid: ((base 1 + base 2) ÷ 2) × height
Area conversions
1 square yard = 9 square feet
1 acre = 43,560 square feet
1 square meter = 10.7639 square feet
Feet to meters = feet ÷ 3.28084
Meters to feet = meters × 3.28084
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