Area of a 31 Foot Circle
What is the area of a circle with a DIAMETER of 31 feet (radius of 15.5 feet)? How big is a 31 foot circle?
Diameter
cm
Diameter
ft
in
Diameter
meters
Diameter
yards
Units
Area of a 31′ diameter circle
754.77 | square feet |
108,690 | square inches |
83.863 | square yards |
0.017327 | acres |
70.120 | square meters |
701,200 | square centimeters |
0.0070120 | hectares |
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.