# Square millimeters to square hectometers (sq mm to sq hm)

area conversions » square millimeter conversions » sq mm to sq hm## Square millimeters to square hectometers conversion table (chart)

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

square millimeter (sq mm) | square hectometer (sq hm) |

10 | 1.0E-9 |

20 | 2.0E-9 |

30 | 3.0E-9 |

40 | 4.0E-9 |

50 | 5.0E-9 |

60 | 6.0E-9 |

70 | 7.0E-9 |

80 | 8.0E-9 |

## Conversion Formula

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

X square millimeters * cf = Y square hectometers

where

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

cf = the conversion factor from square millimeters to square hectometers

Y = the result (in square hectometers)

*Example*

Let's suppose that you have a value of area of 353 square millimeters and want to express it in square hectometers.

353 sq mm = (353 × 1.0E-10) sq hm

353 sq mm = 3.53E-8 sq hm

## Conversion factor

1 square millimeter is equal to 1.0E-10 square hectometer

(1 sqmm = 1.0E-10 sqhm )

## Related topics

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