Rhombus Calculator
Calculate area, perimeter, diagonals, and angles of a rhombus
Enter Rhombus Parameters
Rhombus Diagram
All sides are equal in length. Diagonals bisect each other at right angles.
About Rhombus
Properties
- All four sides are of equal length
- Opposite angles are equal
- Diagonals bisect each other at right angles
- Diagonals bisect the angles of the rhombus
- Adjacent angles are supplementary (add to 180°)
Formulas
- Area: a² × sin(α) or (d₁ × d₂) / 2
- Perimeter: 4 × a
- Diagonal 1: 2 × a × sin(α/2)
- Diagonal 2: 2 × a × cos(α/2)
- Angle β: 180° – α