Circle Properties Calculator
Calculate the exact diameter, circumference, and area of a circle using its radius.
Understanding Circle Properties
A circle is a 2D shape where all points on the edge are equidistant from the center. This calculator quickly finds all its basic properties.
Formulas
- Diameter: 2 × Radius
- Circumference: 2 × π × Radius
- Area: π × Radius²
Frequently Asked Questions
What is pi (π)?
Pi is a mathematical constant representing the ratio of a circle's circumference to its diameter, approximately equal to 3.14159.
Disclaimer: This calculator is for educational and learning purposes only. While we strive for accuracy, calculations are provided "as-is" without warranty. The accuracy of results depends on the accuracy of input data provided. Always verify important calculations independently. For critical applications or when accuracy is essential, consult with appropriate professionals or use verified reference sources. Educational calculators may contain rounding or approximations.