Area of a 16 Inch Circle

What is the area of a circle with a DIAMETER of 16 inches (radius of 8 inches)? How big is a 16 inch 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	in²	ft²	cm²
16.0 in	201.1	1.396	1,297
16.1 in	203.6	1.414	1,313
16.2 in	206.1	1.431	1,330
16.3 in	208.7	1.449	1,346
16.4 in	211.2	1.467	1,363
16.5 in	213.8	1.485	1,380
16.6 in	216.4	1.503	1,396
16.7 in	219.0	1.521	1,413
16.8 in	221.7	1.539	1,430
16.9 in	224.3	1.558	1,447