Area of a 22 Foot Circle

What is the area of a circle with a DIAMETER of 22 feet (radius of 11 feet)? How big is a 22 foot circle?
ft
in
Area of a 22′ diameter circle
380.13square feet
54,739square inches
42.237square yards
0.0087266acres
35.315square meters
353,155square centimeters
0.0035315hectares
(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 ft2 in2 m2
22′0″ 380.1 54,739 35.32
22′1″ 383.0 55,155 35.58
22′2″ 385.9 55,572 35.85
22′3″ 388.8 55,990 36.12
22′4″ 391.7 56,410 36.39
22′5″ 394.7 56,832 36.67
Diameter ft2 in2 m2
22′6″ 397.6 57,256 36.94
22′7″ 400.6 57,680 37.21
22′8″ 403.5 58,107 37.49
22′9″ 406.5 58,535 37.76
22′10″ 409.5 58,965 38.04
22′11″ 412.5 59,396 38.32