Area of a 38 Inch Circle

What is the area of a circle with a DIAMETER of 38 inches (radius of 19 inches)? How big is a 38 inch circle?
ft
in
Area of a 38″ diameter circle
1,134.1square inches
7.8758square feet
0.87509square yards
7,316.9square centimeters
0.73169square 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
38.0 in 1,134 7.876 7,317
38.1 in 1,140 7.917 7,355
38.2 in 1,146 7.959 7,394
38.3 in 1,152 8.001 7,433
38.4 in 1,158 8.042 7,472
Diameter in2 ft2 cm2
38.5 in 1,164 8.084 7,511
38.6 in 1,170 8.126 7,550
38.7 in 1,176 8.169 7,589
38.8 in 1,182 8.211 7,628
38.9 in 1,188 8.253 7,668