Circumference of a 9 Foot Diameter Circle
What is the circumference of a circle with a diameter of 9 ft? How far around is a circle that is 9 feet across?
Diameter
cm
Diameter
ft
in
Diameter
meters
Units
Circumference of a 9′ diameter circle
28.274 | feet |
339.29 | inches |
28′ 3.29″ | feet and inches |
8.6180 | meters |
861.80 | centimeters |
results may be rounded
Circumference of a Circle Formula
The circumference of a circle is pi times its diameter.
Circumference = π * Diameter
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.