Circle with Area 78.0459 Square Inches

Instant diameter calculation and visualization

Diameter

9.9685 inches

Radius

4.9843 inches

Circumference

31.317 inches

Area

78.0459 in²

How to Calculate Circle Diameter from Area

Step-by-Step Solution

  1. Start with the circle area formula: A = πr²
  2. Solve for radius: r = √(A/π)
  3. Calculate diameter: d = 2r
r = √(78.0459/π) = 4.9843 inches
d = 2 × 4.9843 = 9.9685 inches

Similar Calculations