What you provide
What you provide
- First diagonal: Full length of one corner-to-corner diagonal.
- Second diagonal: Full length of the perpendicular diagonal.
GEOMETRY / PERPENDICULAR DIAGONALS
Rhombus Calculator
Calculate rhombus area, derived equal side length, and perimeter from two positive perpendicular diagonals.
- 01 Calculated in this tab
- 02 Values stay in this browser tab
- 03 Use boundary
Use boundary
Calculation path
Half-diagonals form right-triangle legs that derive the equal side; their product divided by two gives area.
Calculation path
Area = diagonal A x diagonal B / 2; side = sqrt((d1/2)^2 + (d2/2)^2).
What you receive
What you receive
- Rhombus area
- Derived side and perimeter
- Diagonal-length recap
Use boundary
Choose the maximum decimal places shown. This does not increase source accuracy.
The formula assumes a planar rhombus whose diagonals bisect each other at right angles.
This is an educational planning result, not a structural, electrical, thermal, solar, battery, generator, or safety design. Confirm specifications, units, codes, and professional requirements before acting.