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Calculator Tools
Land & Area Calculators

Area Calculator

Area of a rectangle, triangle, circle, trapezoid or L-shape, in metric and imperial units.

Enter values

Results update as you type.

Result

Area

80 m²

In square feet
861.11
In square yards
95.679
In acres
0.019768
In hectares
0.008

About the Area Calculator

Area of a rectangle, triangle, circle, trapezoid or L-shape, in metric and imperial units.

Also known as: calculate area, surface area calculator, area of a shape, floor area calculator, floor-area.

How to use this calculator

  1. Enter shape and the other fields.
  2. The result updates instantly as you type — press Calculate (or Enter) at any time.
  3. Review the breakdown shown under the main result.
  4. Use Copy result or Share to save the answer or send a link with your inputs.

Formula

Rectangle A = l × w · Triangle A = ½bh · Circle A = πr²

Worked example

Using the values pre-filled in the calculator above:

  • Shape: Rectangle or square
  • Length = 10 m
  • Width = 8 m

the calculator returns:

  • Area: 80 m²
  • In square feet: 861.11
  • In square yards: 95.679
  • In acres: 0.019768