Enter Annulus Info
<-- Lg Radius
<-- Sm Radius
How does the Annulus Calculator work?
Free Annulus Calculator - Calculates the area of an annulus and the equation of the annulus using the radius of the large and small concentric circles.
This calculator has 2 inputs.
What 1 formula is used for the Annulus Calculator?
A = π(R
For more math formulas, check out our
What 3 concepts are covered in the Annulus Calculator?
A ring shaped object, bounded by two concentric circles
the set of all points in the plane that are a fixed distance from a fixed point
Distance from the center of a circle to the edge
Example calculations for the Annulus Calculator
An annulus has an outer radius of 12 and an inner radius of 5
Annulus Calculator Video