Area of a 39 Foot Circle

What is the area of a circle with a DIAMETER of 39 feet (radius of 19.5 feet)? How big is a 39 foot circle?
Diameter
cm
Diameter
ft
in
Diameter
meters
Diameter
yards
Units
Area of a 39′ diameter circle
1,194.6square feet
172,020square inches
132.73square yards
0.027424acres
110.98square meters
1,109,800square centimeters
0.011098hectares
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 may be rounded
Diameter ft2 in2 m2
39′0″ 1,195 172,000 111.0
39′1″ 1,200 172,800 111.5
39′2″ 1,205 173,500 111.9
39′3″ 1,210 174,200 112.4
39′4″ 1,215 175,000 112.9
39′5″ 1,220 175,700 113.4
39′6″ 1,225 176,500 113.8
39′7″ 1,231 177,200 114.3
39′8″ 1,236 178,000 114.8
39′9″ 1,241 178,700 115.3
39′10″ 1,246 179,500 115.8
39′11″ 1,251 180,200 116.3