Area Calculator: Calculate Any Shape's Area
Whether you're planning flooring, calculating paint coverage, designing landscapes, or solving geometry problems, our area calculator handles 9 common 2D shapes. Each shape includes its formula displayed dynamically and a visual SVG representation to confirm you've selected the right shape.
For 3D shapes, see our Volume Calculator. For length conversions, try Length Converter.
Area Formulas
Rectangle: A = length × width. Square: A = side². Circle: A = πr². Triangle: A = ½ × base × height. Ellipse: A = π × a × b.
FAQ
How do I convert square feet to square meters?
Multiply square feet by 0.0929 to get square meters. Example: 100 sq ft = 9.29 m². Our calculator lets you select units before calculating.