# Circumference of a 3 Inch Diameter Circle

What is the circumference of a circle with a diameter of 3 in? How far around is a circle that is 3 inches across?

Diameter

cm

Diameter

ft

in

Diameter

meters

Units

Circumference of a 3″ diameter circle

9.4248 | inches |

0.78540 | feet |

0′ 9.4248″ | feet and inches |

0.23939 | meters |

23.939 | centimeters |

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.