Area of a 16 Foot Circle

What is the area of a circle with a DIAMETER of 16 feet (radius of 8 feet)? How big is a 16 foot circle?

Diameter

meters

Diameter

yards

Units

Area of a 16′ 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
16′0″	201.1	28,950	18.68
16′1″	203.2	29,260	18.87
16′2″	205.3	29,560	19.07
16′3″	207.4	29,860	19.27
16′4″	209.5	30,170	19.47
16′5″	211.7	30,480	19.66
16′6″	213.8	30,790	19.86
16′7″	216.0	31,100	20.07
16′8″	218.2	31,420	20.27
16′9″	220.4	31,730	20.47
16′10″	222.6	32,050	20.68
16′11″	224.8	32,370	20.88