Unlock the Radius of Your Circle
Simply input the circumference and let our calculator reveal the radius. Understand the geometry with visualization and easy-to-copy results.
Calculate Circle Radius
Enter the circumference of the circle to find its radius. We use the formula: r = C / (2π), where C is the circumference and r is the radius.
Radius (r):
Visual Representation
Visual representation of a circle with radius and circumference.
Understanding Circle Radius
The radius of a circle is the distance from its center to any point on its circumference. It's half of the diameter. The circumference, on the other hand, is the total distance around the circle. They are related by the formula: C = 2πr. This tool helps you find the radius when you know the circumference, using the rearranged formula r = C / (2π). Understanding radius is fundamental in geometry, engineering, and many aspects of daily life, from designing wheels to calculating areas.
For further reading and more in-depth explanations, you can refer to resources like: