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  1. Area of a Circle Calculator

    The area of a circle calculator will compute the surface of a circle using a radius or a diameter.

  2. Circle Calculator

    Aug 1, 2025 · Use this circle calculator to find the area, circumference, radius or diameter of a circle. Given any one variable A, C, r or d of a circle you can calculate the other three unknowns.

  3. Circle Area Calculator | MyCalculators.net

    Use the circle area calculator to calculate the area, diameter, circumference or radius of a circle.

  4. Circle Area Calculator

    Jul 2, 2025 · This calculator determines the area of a circle using either the radius or the diameter. You may also enter a custom value for π, or use the default value of 3.14159.

  5. Circle Area CalculatorCalculate Area - monocalc.com

    Calculate the area of any circle with this free online Circle Area Calculator. Includes step-by-step calculations, unit conversion, and circle visualization.

  6. Area of Circle - Calculator, Formula & Examples | Free Online Tool

    Area of circle calculator using formulas A = πr², A = πd²/4, and A = C²/4π. Calculate area of a circle instantly from radius, diameter, or circumference with step-by-step solutions.

  7. Area of a Circle Calculator

    Free online area of a circle calculator which helps you calculate the are of any circle, given its radius. Supports many different metrics such as in, ft, yd, mm, cm, meters, etc.

  8. Area of a Circle Calculator

    Free area of circle calculator with step-by-step solutions. Calculate circle area using radius or diameter. Includes formulas, examples, and practical applications for geometry and real-world problems.

  9. Circle Area Calculator

    Quickly find the area of any circle with our Circle Area Calculator. Enter the radius or diameter and get accurate results instantly—ideal for students, builders, and designers.

  10. Circle Calculator

    This calculator computes the values of typical circle parameters such as radius, diameter, circumference, and area, using various common units of measurement.