Area of a 19 Inch Circle

What is the area of a circle with a DIAMETER of 19 inches (radius of 9.5 inches)? How big is a 19 inch circle?
ft
in
Area of a 19″ diameter circle
283.53square inches
1.9689square feet
0.21877square yards
1,829.2square centimeters
0.18292square 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
19.0 in 283.5 1.969 1,829
19.1 in 286.5 1.990 1,849
19.2 in 289.5 2.011 1,868
19.3 in 292.6 2.032 1,887
19.4 in 295.6 2.053 1,907
Diameter in2 ft2 cm2
19.5 in 298.6 2.074 1,927
19.6 in 301.7 2.095 1,947
19.7 in 304.8 2.117 1,966
19.8 in 307.9 2.138 1,986
19.9 in 311.0 2.160 2,007