Conversion from Kilometer (km) to Millimeter (mm) and vice versa

Updated on by Stefan Banse

Here you can convert the Unit of length Kilometer into the unit Millimeter and vice versa you can convert Millimeter into Kilometer. By clicking the "Swap units" icon, you will always obtain the desired conversion in the calculation result, i.e., km to mm or mm to km. With the following calculator you can also calculate any other Unit of length.

Info about "Kilometer"

The unit kilometer belongs to the metric system and is derived from the basic unit meter. Here, 1 kilometer can be converted into 1,000 meters or 1 meter is equivalent to 0.001 kilometers. The kilometer belongs to the International System of Units (SI).

In most parts of the world today, kilometers is the measuring unit used to express distances between geographical locations in the countryside. The United States and the United Kingdom are exceptions to this practice, where miles are used as a measuring unit.

Info about "Millimeter"

The millimeter unit is part of a metric system and is derived from the basic unit meter. 1 millimeter is equivalent to 0.001 meters or 1 meter is equivalent to 1000 millimeters. The prefix "Milli" stands for one thousandth of a meter. The millimeter belongs to the International System of Units (SI).

Basis for conversion Kilometer (km) to Millimeter (mm)

The abbreviation for the "Unit of length Kilometer" is km. The abbreviation for the "Unit of length Millimeter" is mm.

Formula for the conversion of Kilometer (km) to Millimeter (mm)

The calculation from Kilometer to Millimeter shall be made using the following conversion formula:

 Conversion formula Kilometer to Millimeter 

Determine the number of Millimeter from Kilometer

Kilometer × 1000000


Formula for the conversion of Millimeter (mm) to Kilometer (km)

The calculation from Millimeter to Kilometer shall be made using the following conversion formula:

 Conversion formula Millimeter to Kilometer 

Determine the number of Kilometer from Millimeter

Millimeter × 1.0E-6


Overview table: How many Kilometer are how many Millimeter?

Kilometer kmMillimeter mm
0.01 km => 10 000 mm
0.02 km => 20 000 mm
0.03 km => 30 000 mm
0.04 km => 40 000 mm
0.05 km => 50 000 mm
0.06 km => 60 000 mm
0.07 km => 70 000 mm
0.08 km => 80 000 mm
0.09 km => 90 000 mm
0.10 km => 100 000 mm
0.20 km => 200 000 mm
0.30 km => 300 000 mm
0.40 km => 400 000 mm
0.50 km => 500 000 mm
0.60 km => 600 000 mm
0.70 km => 700 000 mm
0.80 km => 800 000 mm
0.90 km => 900 000 mm
1 km => 1 000 000 mm
2 km => 2 000 000 mm
3 km => 3 000 000 mm
4 km => 4 000 000 mm
5 km => 5 000 000 mm
6 km => 6 000 000 mm
7 km => 7 000 000 mm
8 km => 8 000 000 mm
9 km => 9 000 000 mm
10 km => 10 000 000 mm
20 km => 20 000 000 mm
30 km => 30 000 000 mm
40 km => 40 000 000 mm
50 km => 50 000 000 mm
60 km => 60 000 000 mm
70 km => 70 000 000 mm
80 km => 80 000 000 mm
90 km => 90 000 000 mm
100 km => 100 000 000 mm
200 km => 200 000 000 mm
300 km => 300 000 000 mm
400 km => 400 000 000 mm
500 km => 500 000 000 mm
600 km => 600 000 000 mm
700 km => 700 000 000 mm
800 km => 800 000 000 mm
900 km => 900 000 000 mm
1 000 km => 1 000 000 000 mm

Overview table: How many Millimeter are how many Kilometer?

Millimeter mmKilometer km
10 mm => 0.00001 km
20 mm => 0.00002 km
30 mm => 0.00003 km
40 mm => 0.00004 km
50 mm => 0.00005 km
60 mm => 0.00006 km
70 mm => 0.00007 km
80 mm => 0.00008 km
90 mm => 0.00009 km
100 mm => 0.00010 km
200 mm => 0.00020 km
300 mm => 0.00030 km
400 mm => 0.00040 km
500 mm => 0.00050 km
600 mm => 0.00060 km
700 mm => 0.00070 km
800 mm => 0.00080 km
900 mm => 0.00090 km
1 000 mm => 0.00100 km

Source information

As source for the information in the "Units of length" category, we have used in particular:

Last update on November 22, 2020

The last changes in the "Units of length" category were implemented by Stefan Banse on November 22, 2020. The main changes were:

  • November 5, 2020: Publication of the Length converter
  • Editorial revision of all texts in this category