Circular perimeter calculator
Fav1. This tool calculates the circumference of a circle using its radius.
2. Formula: C = 2πr
(1) C: Circumference of the circle;
(2) π: Pi;
(3) r: Radius of the circle;
3. Note: The unit of the input value determines the unit of the output result.
4. Note: The results calculated by this tool are for reference only; for actual applications, please rely on professional equipment.
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