# Calculate radius from area

This online calculator calculates a radius of a circle from the given area of a circle

I found that we still do not have a calculator that, based on the entered area of the circle, would calculate the radius of that circle.

As you know, the area of a circle is calculated by the following formula:

Accordingly, the formula for finding the radius from the area is:

The calculator below uses this formula to calculate the radius. Please note that the units of measurement are not present - this is because units you use define the units of the result. For example, if 10,582 is square kilometers, then the answer is 58,038 kilometers. If 10582 is square miles - then the answer is 58.038 miles.

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