Circle with Area 128.7849 Square Inches

Instant diameter calculation and visualization

Diameter

12.8052 inches

Radius

6.4026 inches

Circumference

40.2288 inches

Area

128.7849 in²

How to Calculate Circle Diameter from Area

Step-by-Step Solution

Start with the circle area formula: A = πr²
Solve for radius: r = √(A/π)
Calculate diameter: d = 2r


                            r = √(128.7849/π) = 6.4026 inches

                            d = 2 × 6.4026 = 12.8052 inches

Similar Calculations

64.3925 in² = 9.0547 inches diameter Calculate circle diameter for 64.3925 square inches
96.5887 in² = 11.0897 inches diameter Calculate circle diameter for 96.5887 square inches
160.9811 in² = 14.3167 inches diameter Calculate circle diameter for 160.9811 square inches
193.1774 in² = 15.6831 inches diameter Calculate circle diameter for 193.1774 square inches