Area of a 16 Foot Circle

What is the area of a circle with a DIAMETER of 16 feet (radius of 8 feet)? How big is a 16 foot circle?
ft
in
Area of a 16′ diameter circle
201.06square feet
28,953square inches
22.340square yards
0.0046157acres
18.679square meters
186,793square centimeters
0.0018679hectares
(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 ft2 in2 m2
16′0″ 201.1 28,953 18.68
16′1″ 203.2 29,255 18.87
16′2″ 205.3 29,559 19.07
16′3″ 207.4 29,865 19.27
16′4″ 209.5 30,172 19.47
16′5″ 211.7 30,481 19.66
Diameter ft2 in2 m2
16′6″ 213.8 30,791 19.86
16′7″ 216.0 31,103 20.07
16′8″ 218.2 31,416 20.27
16′9″ 220.4 31,731 20.47
16′10″ 222.6 32,047 20.68
16′11″ 224.8 32,365 20.88