Area of a 7 Inch Circle

What is the area of a circle with a DIAMETER of 7 inches (radius of 3.5 inches)? How big is a 7 inch circle?
ft
in
Area of a 7″ diameter circle
38.485square inches
0.26725square feet
0.029695square yards
248.29square centimeters
0.024829square meters
(results may be rounded)

Area of a Circle Formula

The area of a circle is pi times the square of its radius. The radius is half the diameter.

Area = π * (Diameter / 2)2

Diameter of a Circle

The diameter of a circle is the distance from one edge to the other, passing through the center. It is twice the radius.

Diameter
Circle Area by Diameter
(results are rounded)
Diameter in2 ft2 cm2
7.0 in 38.48 0.2673 248.3
7.1 in 39.59 0.2749 255.4
7.2 in 40.72 0.2827 262.7
7.3 in 41.85 0.2907 270.0
7.4 in 43.01 0.2987 277.5
Diameter in2 ft2 cm2
7.5 in 44.18 0.3068 285.0
7.6 in 45.36 0.3150 292.7
7.7 in 46.57 0.3234 300.4
7.8 in 47.78 0.3318 308.3
7.9 in 49.02 0.3404 316.2