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?
ft
in
Area of a 10″ diameter circle
78.540square inches
0.54542square feet
0.060602square yards
506.71square centimeters
0.050671square 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.

Diameter
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