The Diameter of a Circle With The Circumference

Question: How to find the diameter of a circle with the circumference?

In a circle the length of the boundary is called circumference of the circle.

Answer: The diameter can be calculated as circumference/pi.

The diameter of a circle is a straight line joining a point from one end of the circle to a point on the other end of the circle, passing through the center.


In any circle the ratio of its circumference to its diameter is always same regardless of their size.

This ratio is called pi (π).

Circumference of a circle is given by pi × diameter.

Thus, the diameter can be calculated as circumference/pi.