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

meters

Diameter

yards

Units

Area of a 2″ diameter circle

results may be rounded

The area of a circle is pi times the square of its radius. The radius is half the diameter.

Area = π * (Diameter / 2)²

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