Area of a 100 Meter Circle
What is the area of a circle with a DIAMETER of 100 meters (radius of 50 meters)? How big is a 100 meter circle?
Diameter
cm
Diameter
ft
in
Diameter
meters
Diameter
yards
Units
Area of a 100m diameter circle
| 7,854.0 | square meters |
| 78,540,000 | square centimeters |
| 0.78540 | hectares |
| 0.0078540 | square kilometers |
| 12,174,000 | square inches |
| 84,540 | square feet |
| 9,393.3 | square yards |
| 1.9408 | acres |
| 0.0030324 | square miles |
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.