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- Calculate diameter of circle from circumference
- Circle area calculator using diameter
- Circle radius calculator using diameter
- Length and distance converter
- Sphere volume calculator using diameter
- Sphere diameter to surface area calculator
This tool will calculate the circumference of a circle from the diameter, and will convert different measurement units for diameter and circumference.
The formula used to calculate circle circumference is:
C = π · ø
- C = Circle circumference
- π = Pi = 3.14159…
- ø = Circle diameter
Diameter of Circle
Enter the diameter of a circle. The diameter of a circle is the length of a straight line drawn between two points on a circle where the line also passes through the centre of a circle, or any two points on the circle as long as they are exactly 180 degrees apart.
Circumference of Circle
This is the total length of the edge around the circle with the specified diameter, if it was straightened out.