Area of a 11 Inch Circle

What is the area of a circle with a DIAMETER of 11 inches (radius of 5.5 inches)? How big is a 11 inch circle?

Diameter

meters

Diameter

yards

Units

Area of a 11″ 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
11.0 in	95.03	0.6600	613.1
11.1 in	96.77	0.6720	624.3
11.2 in	98.52	0.6842	635.6
11.3 in	100.3	0.6964	647.0
11.4 in	102.1	0.7088	658.5
11.5 in	103.9	0.7213	670.1
11.6 in	105.7	0.7339	681.8
11.7 in	107.5	0.7466	693.6
11.8 in	109.4	0.7594	705.5
11.9 in	111.2	0.7724	717.5