Polygon Area (Shoelace formula)

Calculate Polygon Area (Shoelace formula) instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.

Polygon Area (Shoelace formula)

x1
y1
x2
y2
x3
y3
Area (Gauss)
6
Calculate Polygon Area (Shoelace formula) instantly with the exact formula and a worked example. Free online calculator — no signup, works on mobile.

More about: Polygon Area (Shoelace formula)

What it calculates

The “Polygon Area (Shoelace formula)” calculator computes Area (Gauss) from 6 parameters: x1, y1, x2, y2, x3, y3.

A core calculation for studying, engineering tasks, and checking solutions.

Example calculation

With parameters x1 = 0, y1 = 0, x2 = 4, y2 = 0, x3 = 4, y3 = 3 the result is 6.

How to use

  1. Enter the parameter values — every field above is adjustable with a slider.
  2. The result and related metrics are calculated automatically as you type.
  3. Use the additional metrics shown (if any) where needed.
  4. Copy the result or bookmark the page.

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