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?
ft
in
Area of a 28′ diameter circle
615.75square feet
88,668square inches
68.417square yards
0.014136acres
57.205square meters
572,052square 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 are rounded)
Diameter ft2 in2 m2
28′0″ 615.8 88,668 57.21
28′1″ 619.4 89,197 57.55
28′2″ 623.1 89,727 57.89
28′3″ 626.8 90,259 58.23
28′4″ 630.5 90,792 58.58
28′5″ 634.2 91,327 58.92
Diameter ft2 in2 m2
28′6″ 637.9 91,863 59.27
28′7″ 641.7 92,401 59.61
28′8″ 645.4 92,941 59.96
28′9″ 649.2 93,482 60.31
28′10″ 652.9 94,025 60.66
28′11″ 656.7 94,569 61.01