Area of a 23 Inch Circle

What is the area of a circle with a DIAMETER of 23 inches (radius of 11.5 inches)? How big is a 23 inch circle?
ft
in
Area of a 23″ diameter circle
415.48square inches
2.8852square feet
0.32058square yards
2,680.5square centimeters
0.26805square 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
23.0 in 415.5 2.885 2,680
23.1 in 419.1 2.910 2,704
23.2 in 422.7 2.936 2,727
23.3 in 426.4 2.961 2,751
23.4 in 430.1 2.986 2,775
Diameter in2 ft2 cm2
23.5 in 433.7 3.012 2,798
23.6 in 437.4 3.038 2,822
23.7 in 441.2 3.064 2,846
23.8 in 444.9 3.089 2,870
23.9 in 448.6 3.115 2,894