Rhombus Area Calculator
Enter diagonals or side length and angle to calculate the area and perimeter of a rhombus.
Rhombus Formulas
Area = (dโ ร dโ) / 2 (using diagonals)
Area = aยฒ ร sin(ฮธ) (using side & angle)
Perimeter = 4a
When using diagonals, side length = โ((dโ/2)ยฒ + (dโ/2)ยฒ).