Circle with Area 21.8211 Square Inches

Instant diameter calculation and visualization

Diameter

5.271 inches

Radius

2.6355 inches

Circumference

16.5593 inches

Area

21.8211 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 = √(21.8211/π) = 2.6355 inches
d = 2 × 2.6355 = 5.271 inches

Similar Calculations