Area of a 5 Centimeter Circle

What is the area of a circle with a DIAMETER of 5 cm (radius of 2.5 cm)? How big is a 5 centimeter circle?
cm
Area of a 5cm diameter circle
19.635square centimeters
0.0019635square meters
3.0434square inches
0.021135square feet
0.0023483square yards
(results may be rounded)

Area of a Circle Formula

The area of a circle is pi times the square of its radius. The radius is half the diameter.

Area = π * (Diameter / 2)2

Diameter of a Circle

The diameter of a circle is the distance from one edge to the other, passing through the center. It is twice the radius.

Diameter
Circle Area by Diameter
(results are rounded)
Diameter cm2 in2 ft2
5.0 cm 19.63 3.043 0.02113
5.1 cm 20.43 3.166 0.02199
5.2 cm 21.24 3.292 0.02286
5.3 cm 22.06 3.420 0.02375
5.4 cm 22.90 3.550 0.02465
Diameter cm2 in2 ft2
5.5 cm 23.76 3.683 0.02557
5.6 cm 24.63 3.818 0.02651
5.7 cm 25.52 3.955 0.02747
5.8 cm 26.42 4.095 0.02844
5.9 cm 27.34 4.238 0.02943