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# Convert Square Millimeter to Square Kilometer

Please provide values below to convert square millimeter [mm^2] to square kilometer [km^2], or *vice versa*.

### Square Millimeter to Square Kilometer Conversion Table

Square Millimeter [mm^2] | Square Kilometer [km^2] |
---|---|

0.01 mm^2 | 1.0E-14 km^2 |

0.1 mm^2 | 1.0E-13 km^2 |

1 mm^2 | 1.0E-12 km^2 |

2 mm^2 | 2.0E-12 km^2 |

3 mm^2 | 3.0E-12 km^2 |

5 mm^2 | 5.0E-12 km^2 |

10 mm^2 | 1.0E-11 km^2 |

20 mm^2 | 2.0E-11 km^2 |

50 mm^2 | 5.0E-11 km^2 |

100 mm^2 | 1.0E-10 km^2 |

1000 mm^2 | 1.0E-9 km^2 |

### How to Convert Square Millimeter to Square Kilometer

1 mm^2 = 1.0E-12 km^2

1 km^2 = 1000000000000 mm^2

**Example:** convert 15 mm^2 to km^2:

15 mm^2 = 15 × 1.0E-12 km^2 = 1.5E-11 km^2