Circle with Area 318.8175 Square Inches

Instant diameter calculation and visualization

Diameter

20.1477 inches

Radius

10.0739 inches

Circumference

63.296 inches

Area

318.8175 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 = √(318.8175/π) = 10.0739 inches
d = 2 × 10.0739 = 20.1477 inches

Similar Calculations