Area of a 28 Foot Circle

What is the area of a circle with a DIAMETER of 28 feet (radius of 14 feet)? How big is a 28 foot circle?
Diameter
cm
Diameter
ft
in
Diameter
meters
Diameter
yards
Units
Area of a 28′ diameter circle
615.75square feet
88,668square inches
68.417square yards
0.014136acres
57.205square meters
572,050square centimeters
0.0057205hectares
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
28′0″ 615.8 88,670 57.21
28′1″ 619.4 89,200 57.55
28′2″ 623.1 89,730 57.89
28′3″ 626.8 90,260 58.23
28′4″ 630.5 90,790 58.58
28′5″ 634.2 91,330 58.92
28′6″ 637.9 91,860 59.27
28′7″ 641.7 92,400 59.61
28′8″ 645.4 92,940 59.96
28′9″ 649.2 93,480 60.31
28′10″ 652.9 94,020 60.66
28′11″ 656.7 94,570 61.01