# Arc Radius Calculator

Calculate radius of an arc with the help of our below online arc radius calculator. We can find the radius of an arc when we know the width and height of the arc.

Formula to calculate radius of the arc is given below:

where,
h = Height of the arc measured from its base to peak point.
w = Width of the arc from start point to the end point at base.

Enter the height and length of the given arc in the below arc length calculator and click calculate to find the radius of an arc.

 Height of an Arc (h): Width of an Arc (w): Radius of an Arc:

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