Circle with Area 12.2856 Square Inches

Instant diameter calculation and visualization

Diameter

3.9551 inches

Radius

1.9775 inches

Circumference

12.4252 inches

Area

12.2856 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 = √(12.2856/π) = 1.9775 inches
d = 2 × 1.9775 = 3.9551 inches

Similar Calculations