Rhombus Area Calculator (Diagonals Method)

Enter the lengths of both diagonals of a rhombus to calculate its area.

Rhombus Area Calculator (Diagonals Method)

Calculate the area of a rhombus from the lengths of its two diagonals.

This calculator provides an estimate for general informational purposes only. It is not a substitute for professional financial, mechanical or engineering advice.

A rhombus's diagonals always cross at right angles and bisect each other, which is why its area simplifies neatly to half the product of the two diagonal lengths.

Example

  • With the default values shown above, this calculator returns: Area ≈ 30.00.

Frequently Asked Questions

What is the formula?

Area = (Diagonal 1 × Diagonal 2) ÷ 2, since a rhombus's diagonals bisect each other at right angles, splitting it into four equal right triangles.

Does this work for any rhombus?

Yes, this formula holds for every rhombus (including a square, which is a special rhombus with equal diagonals).

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Parallelogram Area and Perimeter CalculatorCalculate the area and perimeter of a parallelogram from its base, height and side length.Square Perimeter and Area CalculatorCalculate the area, perimeter and diagonal length of a square from its side length.Trapezoid Area CalculatorCalculate the area of a trapezoid from its two parallel side lengths and height.
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