Area of a 10 Centimeter Circle

What is the area of a circle with a DIAMETER of 10 cm (radius of 5 cm)? How big is a 10 centimeter circle?

Diameter

meters

Diameter

yards

Units

Area of a 10cm 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
10.0 cm	78.54	12.17	0.08454
10.1 cm	80.12	12.42	0.08624
10.2 cm	81.71	12.67	0.08795
10.3 cm	83.32	12.92	0.08969
10.4 cm	84.95	13.17	0.09144
10.5 cm	86.59	13.42	0.09320
10.6 cm	88.25	13.68	0.09499
10.7 cm	89.92	13.94	0.09679
10.8 cm	91.61	14.20	0.09861
10.9 cm	93.31	14.46	0.1004