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Calculate the area of seven common shapes using length, width, radius, angle, or semi-axes. Learn the formulas and examples for rectangles, triangles, trapezoids, circles, sectors, ellipses, and parallelograms.
Calculate the area of common geometrical figures like square, rectangle, triangle, circle, and more with this online tool. Enter the measurements and get the result with formulas, explanations, and graphs.
Jan 18, 2024 · Calculate the area of any basic shape with this intuitive tool. Choose from sixteen different shapes, enter the dimensions, and get the result instantly. See formulas, definitions, and examples for each shape.
- Rectangle. The area of a rectangle describes the number of unit squares that can fit within the rectangle's borders. For example, the area of a rectangle with side lengths of 3 meters and 2 meters can be calculated by dividing the surface into unit squares and counting the number of those squares
- Triangle. There are several formulas for calculating the triangle area. This area calculator uses the semi-perimeter formula or Heron's formula: $$A=\sqrt{s(s-a)(s-b)(s-c)}$$
- Trapezoid. The area of a trapezoid can be calculated with the help of the following formula: A = 1/2 × (b₁ + b₂) × h. where b₁ and b₂ are the bases of the trapezoid (the parallel sides of the trapezoid), and h – is its height.
- Circle. The area of a circle is calculated with the help of the following formula: A = π × r² where π ≈ 3.1415926, and r is the radius of the circle. Calculation example.
2 days ago · Calculate the area, perimeter, and diagonal of a rectangle using its length and width or diagonal. Learn the formulas, properties, and examples of rectangles and golden rectangles.
Calculate area by selecting a shape and entering your measurements in any metric or US customary unit. See the formulas to find the area for each shape below.
Use this online tool to find the area of a circle, rectangle, rhombus, square, triangle, and more. Enter your inputs, click calculate, and see the solution with detailed steps and formulas.
