# Area of a 2 Inch Circle

What is the area of a circle with a DIAMETER of 2 inches (radius of 1 inches)? How big is a 2 inch circle?
Diameter
cm
Diameter
ft
in
Diameter
meters
Diameter
yards
Units
Area of a 2″ diameter circle
 3.1416 square inches 0.021817 square feet 0.0024241 square yards 20.268 square centimeters 0.0020268 square 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.

Circle Area by Diameter
results may be rounded
Diameter in2 ft2 cm2
2.0 in 3.142 0.02182 20.27
2.1 in 3.464 0.02405 22.35
2.2 in 3.801 0.02640 24.52
2.3 in 4.155 0.02885 26.80
2.4 in 4.524 0.03142 29.19
2.5 in 4.909 0.03409 31.67
2.6 in 5.309 0.03687 34.25
2.7 in 5.726 0.03976 36.94
2.8 in 6.158 0.04276 39.73
2.9 in 6.605 0.04587 42.61