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
97.389inches
8.1158feet
8′ 1.389″feet and inches
2.4737meters
247.37centimeters
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.

Diameter
Circle Circumference by Diameter
results may be rounded
Diameter in ft cm
31.0 in 97.39 8.116 247.4
31.1 in 97.70 8.142 248.2
31.2 in 98.02 8.168 249.0
31.3 in 98.33 8.194 249.8
31.4 in 98.65 8.221 250.6
31.5 in 98.96 8.247 251.4
31.6 in 99.27 8.273 252.2
31.7 in 99.59 8.299 253.0
31.8 in 99.90 8.325 253.8
31.9 in 100.2 8.351 254.6