📐 Area Calculator — All Shapes
Calculate the area of any 2D shape. Select a shape, enter dimensions and choose your unit.
Area = side²
Area
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All formulas
⬛ Squareside²
▬ Rectanglelength × width
▲ Trianglebase × height ÷ 2
⭕ Circleπ × radius²
⏢ Trapezoid(a + b) ÷ 2 × height
▱ Parallelogrambase × height
◆ Rhombusd₁ × d₂ ÷ 2
⬭ Ellipseπ × a × b