How to Calculate Rhombus Area

What is Rhombus Area?

A rhombus calculator computes area and perimeter from the diagonals or side length and angle. A rhombus is a parallelogram with all four sides equal.

Formula

Perimeter = 4s (all sides equal)

Step-by-Step Guide

1Area (diagonals): A = (d₁ × d₂) / 2
2Area (side and angle): A = s² × sin(θ)
3Perimeter = 4s (all sides equal)
4Diagonals bisect each other at right angles

Worked Examples

Input

Rhombus diagonals: 10 cm and 8 cm

Result

Area = (10 × 8) / 2 = 40 cm²; Side = √(5²+4²) = √41 ≈ 6.40 cm; P = 25.6 cm

Frequently Asked Questions

What is Rhombus?

A rhombus calculator computes area and perimeter from the diagonals or side length and angle. A rhombus is a parallelogram with all four sides equal

How accurate is the Rhombus calculator?

The calculator uses the standard published formula for rhombus. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Rhombus calculator use?

This calculator works with inches. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Rhombus calculator use?

The core formula is: Area (diagonals): A = (d₁ × d₂) / 2. Each step in the calculation is shown so you can verify the result manually.