Area of a 7 Centimeter Circle
What is the area of a circle with a DIAMETER of 7 cm (radius of 3.5 cm)? How big is a 7 centimeter circle?
Diameter
cm
Diameter
ft
in
Diameter
meters
Diameter
yards
Units
Area of a 7cm diameter circle
| 38.485 | square centimeters |
| 0.0038485 | square meters |
| 5.9651 | square inches |
| 0.041424 | square feet |
| 0.0046027 | 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.