Circle with Area 420.1148 Square Inches

Instant diameter calculation and visualization

Diameter

23.1281 inches

Radius

11.564 inches

Circumference

72.6589 inches

Area

420.1148 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 = √(420.1148/π) = 11.564 inches
d = 2 × 11.564 = 23.1281 inches

Similar Calculations