Area of a 15 Foot Circle

What is the area of a circle with a DIAMETER of 15 feet (radius of 7.5 feet)? How big is a 15 foot circle?

Diameter

meters

Diameter

yards

Units

Area of a 15′ diameter circle

results may be rounded

The area of a circle is pi times the square of its radius. The radius is half the diameter.

Area = π * (Diameter / 2)²

The diameter of a circle is the distance from one edge to the other, passing through the center. It is twice the radius.

Circle Area by Diameter

results may be rounded

Diameter	ft²	in²	m²
15′0″	176.7	25,450	16.42
15′1″	178.7	25,730	16.60
15′2″	180.7	26,020	16.78
15′3″	182.7	26,300	16.97
15′4″	184.7	26,590	17.16
15′5″	186.7	26,880	17.34
15′6″	188.7	27,170	17.53
15′7″	190.7	27,460	17.72
15′8″	192.8	27,760	17.91
15′9″	194.8	28,060	18.10
15′10″	196.9	28,350	18.29
15′11″	199.0	28,650	18.49