# Area of a 70 Centimeter Circle

What is the area of a circle with a DIAMETER of 70 cm (radius of 35 cm)? How big is a 70 centimeter circle?
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Area of a 70cm diameter circle
 3,848.5 square centimeters 0.38485 square meters 596.51 square inches 4.1424 square feet 0.46027 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
70.0 cm 3,848 596.5 4.142
70.1 cm 3,859 598.2 4.154
70.2 cm 3,870 599.9 4.166
70.3 cm 3,882 601.6 4.178
70.4 cm 3,893 603.3 4.190
70.5 cm 3,904 605.1 4.202
70.6 cm 3,915 606.8 4.214
70.7 cm 3,926 608.5 4.226
70.8 cm 3,937 610.2 4.238
70.9 cm 3,948 611.9 4.250