Central Angle of a Circle Calculator

Central angle is the angle that is formed by circle at the center by the 2 given points. Below is the an image which displays central angle of a circle:
Central Angle of Circle

We can calculate the central angle of a circle with the help of this below formula:

Central Angle of a Circle Formula

Θ = Central Angle [radians]
s = Arc Length
r = Radius

Calculate central angle of a circle with the help of this below online calculator by entering the arc length and radius in the respective input boxes and click calculate button to find the central angle for the given circle.

Arc Length (s):
Radius (r):
Central Angle (Θ): [radians]

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