Circle with Area 12.8687 Square Inches

Instant diameter calculation and visualization

Diameter

4.0478 inches

Radius

2.0239 inches

Circumference

12.7166 inches

Area

12.8687 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 = √(12.8687/π) = 2.0239 inches

                            d = 2 × 2.0239 = 4.0478 inches

Similar Calculations

6.4344 in² = 2.8622 inches diameter Calculate circle diameter for 6.4344 square inches
9.6515 in² = 3.5055 inches diameter Calculate circle diameter for 9.6515 square inches
16.0859 in² = 4.5256 inches diameter Calculate circle diameter for 16.0859 square inches
19.3031 in² = 4.9576 inches diameter Calculate circle diameter for 19.3031 square inches