# Area of a 19 Centimeter Circle

What is the area of a circle with a DIAMETER of 19 cm (radius of 9.5 cm)? How big is a 19 centimeter circle?
Diameter
cm
Diameter
ft
in
Diameter
meters
Diameter
yards
Units
Area of a 19cm diameter circle
 283.53 square centimeters 0.028353 square meters 43.947 square inches 0.30519 square feet 0.03391 square 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.

Circle Area by Diameter
results may be rounded
Diameter cm2 in2 ft2
19.0 cm 283.5 43.95 0.3052
19.1 cm 286.5 44.41 0.3084
19.2 cm 289.5 44.88 0.3116
19.3 cm 292.6 45.35 0.3149
19.4 cm 295.6 45.82 0.3182
19.5 cm 298.6 46.29 0.3215
19.6 cm 301.7 46.77 0.3248
19.7 cm 304.8 47.24 0.3281
19.8 cm 307.9 47.73 0.3314
19.9 cm 311.0 48.21 0.3348