Circumference of a 31 Foot Diameter Circle

What is the circumference of a circle with a diameter of 31 ft? How far around is a circle that is 31 feet across?

Diameter

meters

Units

Circumference of a 31′ diameter circle

results may be rounded

The circumference of a circle is pi times its diameter.

Circumference = π * Diameter

The diameter of a circle is the distance from one edge to the other, passing through the center. It is twice the radius.

Circle Circumference by Diameter

results may be rounded

Diameter	ft	in	m
31′0″	97.39	1,169	29.68
31′1″	97.65	1,172	29.76
31′2″	97.91	1,175	29.84
31′3″	98.17	1,178	29.92
31′4″	98.44	1,181	30.00
31′5″	98.70	1,184	30.08
31′6″	98.96	1,188	30.16
31′7″	99.22	1,191	30.24
31′8″	99.48	1,194	30.32
31′9″	99.75	1,197	30.40
31′10″	100.0	1,200	30.48
31′11″	100.3	1,203	30.56