# Area of a 30 Foot Circle

What is the area of a circle with a

__of 30 feet (radius of 15 feet)? How big is a 30 foot circle?__**DIAMETER**Diameter

cm

Diameter

ft

in

Diameter

meters

Diameter

yards

Units

Area of a 30′ diameter circle

706.86 | square feet |

101,790 | square inches |

78.540 | square yards |

0.016227 | acres |

65.669 | square meters |

656,690 | square centimeters |

0.0065669 | hectares |

results may be rounded

#### Area of a Circle Formula

The area of a circle is pi times the square of its radius. The radius is half the diameter.

**Area = π * (Diameter / 2) ^{2}**

#### 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.