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Area Converter

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The SI Unit of Area

Formula: Area

To determine the area of a circle, you can use the following formula. More area formulas can be found at the following link.

r : radius
d : diameter
π : a mathematical constant equals approx. 3.14
A : area
Area of a Circle
Source: Web Formulas (Area)

Calculators: Area

You can use our area calculators to determine the area of various different shaped objects.
Area Calculators
Version 4.0 - Last updated: Sunday, August 16, 2015
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