Use this free circumference calculator to find the area, circumference and diameter of a circle.

In geometry, the circumference (from Latin circumferēns 'carrying around, circling') is the perimeter of a circle or ellipse. The circumference is the arc length of the circle, as if it were …

Aug 3, 2023 · The circumference of a circle is the distance around the boundary of the circle. It is the same as calculating the perimeter of any polygon such as triangle, square, and rectangle.

Oct 7, 2025 · Keep reading for everything you need to know about how to figure out the circumference of a circle using either the diameter or the radius. We've even got a …

How to calculate the circumference of a circle? The circumference of a circle is calculated using the formula: 2 x π x radius, where π is a mathematical constant, equal to about 3.14159.

To find the circumference of a circle, there are a few different formulas. The formula for circumference is based on the constant π (pi), which is an irrational number approximately …

The meaning of CIRCUMFERENCE is the perimeter of a circle. How to use circumference in a sentence. Did you know?

The circumference of the circle is the length of its boundary. Explore and learn to calculate the circumference of a circle, with concepts, definitions, formulas, solved examples, and practice …

This calculator computes the values of typical circle parameters such as radius, diameter, circumference, and area, using various common units of measurement.

The perimeter of a circle is called the circumference and is the linear distance around the edge of a circle. The circumference of a circle is proportional to its diameter, d, and its radius, r, and …