Circumference of a 13 Inch Diameter Circle

What is the circumference of a circle with a diameter of 13 in? How far around is a circle that is 13 inches across?
Diameter
cm
Diameter
ft
in
Diameter
meters
Units
Circumference of a 13″ diameter circle
40.841inches
3.4034feet
3′ 4.841″feet and inches
1.0374meters
103.74centimeters
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
13.0 in 40.84 3.403 103.7
13.1 in 41.15 3.430 104.5
13.2 in 41.47 3.456 105.3
13.3 in 41.78 3.482 106.1
13.4 in 42.10 3.508 106.9
13.5 in 42.41 3.534 107.7
13.6 in 42.73 3.560 108.5
13.7 in 43.04 3.587 109.3
13.8 in 43.35 3.613 110.1
13.9 in 43.67 3.639 110.9