Area of a 25 Centimeter Circle
What is the area of a circle with a DIAMETER of 25 cm (radius of 12.5 cm)? How big is a 25 centimeter circle?
Diameter
cm
Diameter
ft
in
Diameter
meters
Diameter
yards
Units
Area of a 25cm diameter circle
| 490.87 | square centimeters |
| 0.049087 | square meters |
| 76.086 | square inches |
| 0.52837 | square feet |
| 0.058708 | 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.