What is the area of a circle with a **DIAMETER** of 25 cm (radius of 12.5 cm)? How big is a 25 centimeter circle?

Area of a 25cm diameter circle

490.87 | square centimeters |

0.049087 | square meters |

76.086 | square inches |

0.52837 | square feet |

0.058708 | square yards |

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

25.0 cm | 490.9 | 76.09 | 0.5284 |

25.1 cm | 494.8 | 76.70 | 0.5326 |

25.2 cm | 498.8 | 77.31 | 0.5369 |

25.3 cm | 502.7 | 77.92 | 0.5411 |

25.4 cm | 506.7 | 78.54 | 0.5454 |

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

25.5 cm | 510.7 | 79.16 | 0.5497 |

25.6 cm | 514.7 | 79.78 | 0.5540 |

25.7 cm | 518.7 | 80.41 | 0.5584 |

25.8 cm | 522.8 | 81.03 | 0.5627 |

25.9 cm | 526.9 | 81.66 | 0.5671 |