# Area of a 12 Centimeter Circle

What is the area of a circle with a DIAMETER of 12 cm (radius of 6 cm)? How big is a 12 centimeter circle?
Diameter
cm
Diameter
ft
in
Diameter
meters
Diameter
yards
Units
Area of a 12cm diameter circle
 113.1 square centimeters 0.01131 square meters 17.53 square inches 0.12174 square feet 0.013526 square 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.

Circle Area by Diameter
results may be rounded
Diameter cm2 in2 ft2
12.0 cm 113.1 17.53 0.1217
12.1 cm 115.0 17.82 0.1238
12.2 cm 116.9 18.12 0.1258
12.3 cm 118.8 18.42 0.1279
12.4 cm 120.8 18.72 0.1300
12.5 cm 122.7 19.02 0.1321
12.6 cm 124.7 19.33 0.1342
12.7 cm 126.7 19.63 0.1364
12.8 cm 128.7 19.95 0.1385
12.9 cm 130.7 20.26 0.1407