Circumference of a 4 Foot Diameter Circle

What is the circumference of a circle with a diameter of 4 ft? How far around is a circle that is 4 feet across?
Diameter
cm
Diameter
ft
in
Diameter
meters
Units
Circumference of a 4′ diameter circle
12.566feet
150.80inches
12′ 6.8″feet and inches
3.8302meters
383.02centimeters
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 ft in m
4′0″ 12.57 150.8 3.830
4′1″ 12.83 153.9 3.910
4′2″ 13.09 157.1 3.990
4′3″ 13.35 160.2 4.070
4′4″ 13.61 163.4 4.149
4′5″ 13.88 166.5 4.229
4′6″ 14.14 169.6 4.309
4′7″ 14.40 172.8 4.389
4′8″ 14.66 175.9 4.469
4′9″ 14.92 179.1 4.548
4′10″ 15.18 182.2 4.628
4′11″ 15.45 185.4 4.708