# Area of a 23 Centimeter Circle

What is the area of a circle with a DIAMETER of 23 cm (radius of 11.5 cm)? How big is a 23 centimeter circle?
Diameter
cm
Diameter
ft
in
Diameter
meters
Diameter
yards
Units
Area of a 23cm diameter circle
 415.48 square centimeters 0.041548 square meters 64.399 square inches 0.44721 square feet 0.04969 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
23.0 cm 415.5 64.40 0.4472
23.1 cm 419.1 64.96 0.4511
23.2 cm 422.7 65.52 0.4550
23.3 cm 426.4 66.09 0.4590
23.4 cm 430.1 66.66 0.4629
23.5 cm 433.7 67.23 0.4669
23.6 cm 437.4 67.80 0.4709
23.7 cm 441.2 68.38 0.4749
23.8 cm 444.9 68.96 0.4789
23.9 cm 448.6 69.54 0.4829