Area Calculator

Find the area of nine shapes, and see it in square feet, acres, marla and kanal.

Enter every size above zero.

Rectangle

Calculated in your browser.
Guide

How to calculate area

1

Choose the shape

Rectangle, square, triangle, circle, trapezoid, parallelogram, ellipse or sector.

2

Enter the sizes

Pick the unit you measured in, then type each length.

3

Read the area

See the formula, the area and its value in square metres, feet, yards, acres, hectares, marla and kanal.

Frequently asked questions

How do I find the area of a plot in marla?

Choose Rectangle, enter the length and width in feet, then read the Marla line. One marla is 272.25 square feet and one kanal is 20 marla. The size of a marla can differ in some areas, so check what applies to your plot.

What is the area of a circle?

π × radius × radius. For a radius of 5 m it is about 78.54 m².

What if I have a triangle with three sides?

Choose Triangle (three sides). It uses Heron's formula and tells you if the sides cannot form a triangle.

Can I mix units?

No. Measure every length in the same unit, chosen above the fields.

Is my data saved?

No. It is calculated in your browser.

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