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Mathematics

Rhombus Calculator

Variable Legend

a= side lengthh= perpendicular heightd₁= diagonal 1d₂= diagonal 2A= area

Area (base × height)

Standard parallelogram formula.

Area (diagonals)

Half the product of diagonals.

Perimeter

All four sides equal.

Diagonal from sides and angle

Use the law of cosines.

d₁
d₂
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Pro Tip

Always verify your input values before calculating. For rhombus, small input errors can compound and significantly affect the final result.

Difficulty:Intermediate

Did you know?

The mathematical principles behind rhombus have practical applications across multiple industries and have been refined through decades of real-world use.

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Reviewed May 2026
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