Area of a 25 Inch Circle
What is the area of a circle with a DIAMETER of 25 inches (radius of 12.5 inches)? How big is a 25 inch circle?
Diameter
cm
Diameter
ft
in
Diameter
meters
Diameter
yards
Units
Area of a 25″ diameter circle
490.87 | square inches |
3.4088 | square feet |
0.37876 | square yards |
3,166.9 | square centimeters |
0.31669 | square meters |
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.