Circle circumference

What is circle circumference

Circumference is the distance around the circle. If you get your tape measure out and measure the distance around the circle - that is the circumference.
You need to know the diameter or the radius of the circle. The Radius is distance from the center of the circle to every point of the circle, which is equal to every point of the circle. Diameter equals to radius multiplyed by 2, diameter means how "fat" the circle is.

C = r {{ result }}

{{ error }}

d r