Area of a 1 Centimeter Circle

What is the area of a circle with a DIAMETER of 1 cm (radius of 0.5 cm)? How big is a 1 centimeter circle?
Diameter
cm
Diameter
ft
in
Diameter
meters
Diameter
yards
Units
Area of a 1cm diameter circle
0.78540square centimeters
0.000078540square meters
0.12174square inches
0.00084540square feet
0.000093933square 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
1.0 cm 0.7854 0.1217 0.0008454
1.1 cm 0.9503 0.1473 0.001023
1.2 cm 1.131 0.1753 0.001217
1.3 cm 1.327 0.2057 0.001429
1.4 cm 1.539 0.2386 0.001657
1.5 cm 1.767 0.2739 0.001902
1.6 cm 2.011 0.3116 0.002164
1.7 cm 2.270 0.3518 0.002443
1.8 cm 2.545 0.3944 0.002739
1.9 cm 2.835 0.4395 0.003052
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