Circle with Area 311.2736 Square Inches

Instant diameter calculation and visualization

Diameter

19.9079 inches

Radius

9.954 inches

Circumference

62.5426 inches

Area

311.2736 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 = √(311.2736/π) = 9.954 inches
d = 2 × 9.954 = 19.9079 inches

Similar Calculations