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Circumference of Circle Calculator
Circumference of Circle Calculator is online tool which helps to find the length of circular boundary.
What is Circumference of Circle Calculator?
Circumference of Circle Calculator is an online tool that helps you to calculate the circumference of a circle. Cuemath's circumference of a circle calculator helps you to calculate circumference of a circle with a given radius in a few seconds.
How to Use the Circumference of Circle Calculator?
Please follow below steps to find circumference of circle:
- Step 1: Enter the radius of the circle in the given input box.
- Step 2: Click on the "Calculate" button to find the circumference of circle.
- Step 3: Click on the "Reset" button to find the circumference of a circle with different radius.
How to find the Circumference of a Circle?
Circumference of a circle is defined as the length of boundary of a circle. It is also known as the Perimeter of a circle.
Circumference of a circle = 2πr units
where,'r' is radius of circle and π(Pi) is the mathematical constant with an approximate value of 3.14.
Find the circumference of a circle, if the radius is 5 units.
Radius (r) = 5 units
Circumference of circle = 2πr units.
= 31.4 units
∴ Circumference of the circle = 31.4 units
Similarly, you can try the calculator and find the circumference of circles with the following radius values.
- Radius = 7 units
- Radius = 11 units
- Radius = 8 units