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Mathematics

Parallelogram Calculator

Rectangle Calculator

Variable Legend

b= baseh= perpendicular heighta= side (slant)A= areaP= perimeter

Area

Base times perpendicular height.

Perimeter

Sum of all four sides (two pairs of equal sides).

Height from area

Find the perpendicular height given area and base.

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Pro Tip

The height of a parallelogram is NOT the slant side — it is the perpendicular distance between the parallel bases.

Difficulty:Beginner

Did you know?

The mathematical principles behind parallelogram 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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