Circumference of a 31 Inch Diameter Circle
What is the circumference of a circle with a diameter of 31 in? How far around is a circle that is 31 inches across?
Diameter
cm
Diameter
ft
in
Diameter
meters
Units
Circumference of a 31″ diameter circle
97.389 | inches |
8.1158 | feet |
8′ 1.389″ | feet and inches |
2.4737 | meters |
247.37 | 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.