Area of a 10 Inch Circle

What is the area of a circle with a DIAMETER of 10 inches (radius of 5 inches)? How big is a 10 inch circle?

Area of a 10″ 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 are rounded)

Diameter	in²	ft²	cm²
10.0 in	78.54	0.5454	506.7
10.1 in	80.12	0.5564	516.9
10.2 in	81.71	0.5675	527.2
10.3 in	83.32	0.5786	537.6
10.4 in	84.95	0.5899	548.1

Diameter	in²	ft²	cm²
10.5 in	86.59	0.6013	558.6
10.6 in	88.25	0.6128	569.3
10.7 in	89.92	0.6244	580.1
10.8 in	91.61	0.6362	591.0
10.9 in	93.31	0.6480	602.0