Area of a 16 Centimeter Circle

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

Diameter

meters

Diameter

yards

Units

Area of a 16cm 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	cm²	in²	ft²
16.0 cm	201.1	31.16	0.2164
16.1 cm	203.6	31.56	0.2191
16.2 cm	206.1	31.95	0.2219
16.3 cm	208.7	32.34	0.2246
16.4 cm	211.2	32.74	0.2274
16.5 cm	213.8	33.14	0.2302
16.6 cm	216.4	33.55	0.2330
16.7 cm	219.0	33.95	0.2358
16.8 cm	221.7	34.36	0.2386
16.9 cm	224.3	34.77	0.2415