# Astronomy Conversions

### From

### To

swap units ↺

### Amount

### Result

1 Light Year =

9,460,730,472,580.8 Kilometers

(exact result)

### Display Result As

Light Years

A light year is the distance that light travels in one year.

The year used by the International Astronomical Union is 365.25 days. Therefore a light year is exactly 9,460,730,472,580.8 kilometers.

Kilometers

A kilometer is a unit of length equal to 1,000 meters, or about 0.621 miles.

In most of the world, it is the most common unit for measuring distance between places.

## Astronomy Conversion Tables

(some results are rounded)

1 Astronomical Unit = | 1 Kilometer = | 1 Light Minute = | 1 Light Second = | 1 Light Year = | |
---|---|---|---|---|---|

Astronomical Units | 1 | 6.6846 x 10^{-9} | 0.1202 | 0.002004 | 63,241 |

Kilometers | 149,597,871 | 1 | 17,987,547 | 299,792 | 9.4607 x 10^{12} |

Light Minutes | 8.3167 | 5.5594 x 10^{-8} | 1 | 0.01667 | 525,960 |

Light Seconds | 499.00 | 3.3356 x 10^{-6} | 60 | 1 | 31,557,600 |

Light Years | 1.5813 x 10^{-5} | 1.057 x 10^{-13} | 1.9013 x 10^{-6} | 3.1688 x 10^{-8} | 1 |

Miles | 92,955,807 | 0.6214 | 11,176,944 | 186,282 | 5.8786 x 10^{12} |

Parsecs | 4.8481 x 10^{-6} | 3.2408 x 10^{-14} | 5.8294 x 10^{-7} | 9.7156 x 10^{-9} | 0.3066 |

1 Mile = | 1 Parsec = | |
---|---|---|

Astronomical Units | 1.0758 x 10^{-8} | 206,265 |

Kilometers | 1.6093 | 3.0857 x 10^{13} |

Light Minutes | 8.947 x 10^{-8} | 1,715,452 |

Light Seconds | 5.3682 x 10^{-6} | 102,927,125 |

Light Years | 1.7011 x 10^{-13} | 3.2616 |

Miles | 1 | 1.9174 x 10^{13} |

Parsecs | 5.2155 x 10^{-14} | 1 |