Circle with Area 311.4364 Square Inches

Instant diameter calculation and visualization

Diameter

19.9131 inches

Radius

9.9566 inches

Circumference

62.559 inches

Area

311.4364 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 = √(311.4364/π) = 9.9566 inches
d = 2 × 9.9566 = 19.9131 inches

Similar Calculations