NumberCals

Parallelogram Area Calculator

Calculate area and perimeter of a parallelogram.

About this calculator

The Parallelogram Area Calculator on NumberCals is a free, mobile-friendly tool for anyone needing to calculate area and perimeter of a parallelogram. Enter your values in the form below and the result is computed instantly — no sign-up, no installation, no waiting.

Formula used

A = base × height; P = 2(a + b)

What you'll need

  • Base (e.g. 8)
  • Perpendicular Height (e.g. 5)
  • Slanted Side (for perimeter, optional) (e.g. 6)

What you'll get

  • Area
  • Perimeter (if side provided)
Formula
A = base × height; P = 2(a + b)

Frequently Asked Questions

What's perpendicular height? +

The shortest distance between the two parallel bases, measured at right angles — NOT the slanted side length.

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