Area of a 16 Inch Circle

What is the area of a circle with a DIAMETER of 16 inches (radius of 8 inches)? How big is a 16 inch circle?
ft
in
Area of a 16″ diameter circle
201.06square inches
1.3963square feet
0.15514square yards
1,297.2square centimeters
0.12972square 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
16.0 in 201.1 1.396 1,297
16.1 in 203.6 1.414 1,313
16.2 in 206.1 1.431 1,330
16.3 in 208.7 1.449 1,346
16.4 in 211.2 1.467 1,363
Diameter in2 ft2 cm2
16.5 in 213.8 1.485 1,380
16.6 in 216.4 1.503 1,396
16.7 in 219.0 1.521 1,413
16.8 in 221.7 1.539 1,430
16.9 in 224.3 1.558 1,447