# Area of a 2 Centimeter Circle

What is the area of a circle with a DIAMETER of 2 cm (radius of 1 cm)? How big is a 2 centimeter circle?
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ft
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Area of a 2cm diameter circle
 3.1416 square centimeters 0.00031416 square meters 0.48695 square inches 0.0033816 square feet 0.00037573 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
2.0 cm 3.142 0.4869 0.003382
2.1 cm 3.464 0.5369 0.003728
2.2 cm 3.801 0.5892 0.004092
2.3 cm 4.155 0.6440 0.004472
2.4 cm 4.524 0.7012 0.004869
2.5 cm 4.909 0.7609 0.005284
2.6 cm 5.309 0.8229 0.005715
2.7 cm 5.726 0.8875 0.006163
2.8 cm 6.158 0.9544 0.006628
2.9 cm 6.605 1.024 0.007110