Circle Calculator

Are you bad at remembering formula for circular area, diameter, or circumference? Then, don’t hesitate and enter the desired value for calculating Area and click solve for other two. The online circle calculator is available for your assistance. Students or professionals can definitely benefit from it anytime anywhere.

R: Radius
D: Diameter
C: Circumference
A: Area
π: 3.1415926535898
D = 2R
C = 2πR
A = πR2

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