Area of a 22 Inch Circle

What is the area of a circle with a DIAMETER of 22 inches (radius of 11 inches)? How big is a 22 inch circle?
ft
in
Area of a 22″ diameter circle
380.13square inches
2.6398square feet
0.29331square yards
2,452.5square centimeters
0.24525square 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
22.0 in 380.1 2.640 2,452
22.1 in 383.6 2.664 2,475
22.2 in 387.1 2.688 2,497
22.3 in 390.6 2.712 2,520
22.4 in 394.1 2.737 2,542
Diameter in2 ft2 cm2
22.5 in 397.6 2.761 2,565
22.6 in 401.1 2.786 2,588
22.7 in 404.7 2.810 2,611
22.8 in 408.3 2.835 2,634
22.9 in 411.9 2.860 2,657