# Square Inches to Square Kilometers Converter

Enter the area in square inches below to get the value converted to square kilometers.

**Results in Square Kilometers:**

Do you want to convert square kilometers to square inches?

## How to Convert Square Inches to Square Kilometers

To convert a measurement in square inches to a measurement in square kilometers, multiply the area by the following conversion ratio: 6.4516E-10 square kilometers/square inch.

Since one square inch is equal to 6.4516E-10 square kilometers, you can use this simple formula to convert:

The area in square kilometers is equal to the area in square inches multiplied by 6.4516E-10.

**For example,**here's how to convert 5,000,000,000 square inches to square kilometers using the formula above.

Square inches and square kilometers are both units used to measure area. Keep reading to learn more about each unit of measure.

## What is a Square Inch?

One square inch is equivalent to the area of a square with sides that are each 1 inch in length. One square inch is equal to 1/144 of a square foot or 1/1,296 of a square yard.

The square inch is a US customary and imperial unit of area. A square inch is sometimes also referred to as a square in. Square inches can be abbreviated as *sq in*, and are also sometimes abbreviated as *in²*. For example, 1 square inch can be written as 1 sq in or 1 in².

Learn more about square inches.

## What is a Square Kilometer?

One square kilometer is equivalent to the area of a square with sides that are each 1 kilometer in length. One square kilometer is equal to 0.386102 square miles or 1,000,000 square meters.

The square kilometer, or square kilometre, is a multiple of the square meter, which is the SI derived unit for area. In the metric system, "kilo" is the prefix for thousands, or 10^{3}. A square kilometer is sometimes also referred to as a square km. Square kilometers can be abbreviated as *sq km*, and are also sometimes abbreviated as *km²*. For example, 1 square kilometer can be written as 1 sq km or 1 km².

Learn more about square kilometers.

## Square Inch to Square Kilometer Conversion Table

Square Inches | Square Kilometers |
---|---|

1 sq in | 0.00000000064516 sq km |

2 sq in | 0.0000000012903 sq km |

3 sq in | 0.0000000019355 sq km |

4 sq in | 0.0000000025806 sq km |

5 sq in | 0.0000000032258 sq km |

6 sq in | 0.000000003871 sq km |

7 sq in | 0.0000000045161 sq km |

8 sq in | 0.0000000051613 sq km |

9 sq in | 0.0000000058064 sq km |

10 sq in | 0.0000000064516 sq km |

100 sq in | 0.000000064516 sq km |

1,000 sq in | 0.00000064516 sq km |

10,000 sq in | 0.0000064516 sq km |

100,000 sq in | 0.000064516 sq km |

1,000,000 sq in | 0.000645 sq km |

10,000,000 sq in | 0.006452 sq km |

100,000,000 sq in | 0.064516 sq km |

1,000,000,000 sq in | 0.64516 sq km |

10,000,000,000 sq in | 6.4516 sq km |

## More Square Inch & Square Kilometer Conversions

- square inches to square miles
- square inches to acres
- square inches to square yards
- square inches to square feet
- square inches to square meters
- square inches to square centimeters
- square inches to square millimeters
- square inches to hectares
- square inches to ares
- square miles to square kilometers
- acres to square kilometers
- square yards to square kilometers
- square feet to square kilometers
- square meters to square kilometers
- square centimeters to square kilometers
- square millimeters to square kilometers
- hectares to square kilometers
- ares to square kilometers