Circumference of a 13 Foot Diameter Circle
What is the circumference of a circle with a diameter of 13 ft? How far around is a circle that is 13 feet across?
Diameter
cm
Diameter
ft
in
Diameter
meters
Units
Circumference of a 13′ diameter circle
40.841 | feet |
490.09 | inches |
40′ 10.09″ | feet and inches |
12.448 | meters |
1,244.8 | 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.