Circumference of a 30 Inch Diameter Circle
What is the circumference of a circle with a diameter of 30 in? How far around is a circle that is 30 inches across?
Circumference of a 30″ diameter circle
|7′ 10.248″||feet and inches|
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.