# Square kilometers to square millimeters (sq km to sq mm)

area conversions » square kilometer conversions » sq km to sq mm## Square kilometers to square millimeters conversion table (chart)

The conversion table to the right is a default, short version of the square kilometers to square millimeters conversion table. You also have an option to create the square kilometers to square millimeters conversion table for the specific values you need. You can choose the initial value (in square kilometers), the increment and the number of rows you want to show up in the conversion table.To create your customized square kilometers to square millimeters conversion table, click on the 'create conversion table' button.

square kilometer (sq km) | square millimeter (sq mm) |

10 | 10000000000000 |

20 | 20000000000000 |

30 | 30000000000000 |

40 | 40000000000000 |

50 | 50000000000000 |

60 | 60000000000000 |

70 | 70000000000000 |

80 | 80000000000000 |

## Conversion Formula

By using the online converter calculator on this page, you can calculate how many square millimeters are in 'X' square kilometers (X is the number of square kilometers you want to convert to square millimeters). In order to convert a value from square kilometers to square millimeters (from sq km to sq mm) simply type the number of square kilometers to be converted to square millimeters and then click on the 'convert' button. The formula used for converting a specific value from square kilometers to square millimeters is:

X square kilometers * cf = Y square millimeters

where

X = the specific value to be converted (in square kilometers)

cf = the conversion factor from square kilometers to square millimeters

Y = the result (in square millimeters)

*Example*

Let's suppose that you have a value of area of 171 square kilometers and want to express it in square millimeters.

171 sq km = (171 × 1000000000000) sq mm

171 sq km = 1.71E+14 sq mm

## Conversion factor

1 square kilometer is equal to 1000000000000 square millimeter

(1 sqkm = 1000000000000 sqmm )

## Related topics

- To convert from square kilometers to any other area/surface unit, go to convert from square kilometers
- To convert from a unit of area other than square kilometer, go to all area conversions
- If you want to do the reverse unit conversion from
**square millimeters to square kilometers**, go to convert square millimeters to square kilometers