Circle with Area 128.2687 Square Inches

Instant diameter calculation and visualization

Diameter

12.7795 inches

Radius

6.3898 inches

Circumference

40.1481 inches

Area

128.2687 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 = √(128.2687/π) = 6.3898 inches
d = 2 × 6.3898 = 12.7795 inches

Similar Calculations