Circle with Area 3.9971 Square Inches

Instant diameter calculation and visualization

Diameter

2.2559 inches

Radius

1.128 inches

Circumference

7.0872 inches

Area

3.9971 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 = √(3.9971/π) = 1.128 inches

                            d = 2 × 1.128 = 2.2559 inches

Similar Calculations

1.9986 in² = 1.5952 inches diameter Calculate circle diameter for 1.9986 square inches
2.9978 in² = 1.9537 inches diameter Calculate circle diameter for 2.9978 square inches
4.9964 in² = 2.5222 inches diameter Calculate circle diameter for 4.9964 square inches
5.9957 in² = 2.763 inches diameter Calculate circle diameter for 5.9957 square inches