Circle with Area 12.9939 Square Inches

Instant diameter calculation and visualization

Diameter

4.0675 inches

Radius

2.0337 inches

Circumference

12.7783 inches

Area

12.9939 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 = √(12.9939/π) = 2.0337 inches
d = 2 × 2.0337 = 4.0675 inches

Similar Calculations