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
283.53square centimeters
0.028353square meters
43.947square inches
0.30519square feet
0.033910square 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 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