Area of a 22 Centimeter Circle

What is the area of a circle with a DIAMETER of 22 cm (radius of 11 cm)? How big is a 22 centimeter circle?
Diameter
cm
Diameter
ft
in
Diameter
meters
Diameter
yards
Units
Area of a 22cm diameter circle
380.13square centimeters
0.038013square meters
58.921square inches
0.40917square feet
0.045463square yards
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 may be rounded
Diameter cm2 in2 ft2
22.0 cm 380.1 58.92 0.4092
22.1 cm 383.6 59.46 0.4129
22.2 cm 387.1 60.00 0.4166
22.3 cm 390.6 60.54 0.4204
22.4 cm 394.1 61.08 0.4242
22.5 cm 397.6 61.63 0.4280
22.6 cm 401.1 62.18 0.4318
22.7 cm 404.7 62.73 0.4356
22.8 cm 408.3 63.28 0.4395
22.9 cm 411.9 63.84 0.4433