Area of a 30 Foot Circle

What is the area of a circle with a DIAMETER of 30 feet (radius of 15 feet)? How big is a 30 foot circle?

Diameter

meters

Diameter

yards

Units

Area of a 30′ 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
30′0″	706.9	101,800	65.67
30′1″	710.8	102,400	66.03
30′2″	714.7	102,900	66.40
30′3″	718.7	103,500	66.77
30′4″	722.7	104,100	67.14
30′5″	726.6	104,600	67.51
30′6″	730.6	105,200	67.88
30′7″	734.6	105,800	68.25
30′8″	738.6	106,400	68.62
30′9″	742.6	106,900	68.99
30′10″	746.7	107,500	69.37
30′11″	750.7	108,100	69.74