Home›Geometry & Trig›Area CalculatorArea CalculatorCalculate the area of geometric shapes including triangles, circles, rectangles, and more.ShapeTriangleSquareRectangleRhombusParallelogramTrapezoidCircleEllipseSectorDimensionsBaseHeightDecimals012345678910Calculate AreaRelated ToolsKeep Working With Similar ToolsBrowse Geometry & Trig🧊Volume CalculatorGeometry & TrigVolume of 3D shapes→📏Perimeter CalculatorGeometry & TrigPerimeter of shapes→📐Trigonometry CalculatorGeometry & Trigsin, cos, tan and inverses→🔺Hypotenuse CalculatorGeometry & TrigPythagorean theorem→