What is the area of a circle with a **DIAMETER** of 27 inches (radius of 13.5 inches)? How big is a 27 inch circle?

Area of a 27″ diameter circle

572.56 | square inches |

3.9761 | square feet |

0.44179 | square yards |

3,693.9 | square centimeters |

0.36939 | square meters |

(results may be rounded)

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

**Area = π * (Diameter / 2) ^{2}**

The diameter of a circle is the distance from one edge to the other, passing through the center. It is twice the radius.

Circle Area by Diameter

(results are rounded)

Diameter | in^{2} |
ft^{2} |
cm^{2} |
---|---|---|---|

27.0 in | 572.6 | 3.976 | 3,694 |

27.1 in | 576.8 | 4.006 | 3,721 |

27.2 in | 581.1 | 4.035 | 3,749 |

27.3 in | 585.3 | 4.065 | 3,776 |

27.4 in | 589.6 | 4.095 | 3,804 |

Diameter | in^{2} |
ft^{2} |
cm^{2} |
---|---|---|---|

27.5 in | 594.0 | 4.125 | 3,832 |

27.6 in | 598.3 | 4.155 | 3,860 |

27.7 in | 602.6 | 4.185 | 3,888 |

27.8 in | 607.0 | 4.215 | 3,916 |

27.9 in | 611.4 | 4.246 | 3,944 |