Kilometer to Milimeter calculator (km to mm)

Convert kilometers to milimeters (km to mm) by typing the amount of kilometers in the input field below and then clicking in the "Convert" button. If you want to convert from milimeters to kilometers, you can use our milimeter to kilometer converter.


Formula used to convert km to mm:

F(x) = x * 1000000

For example, if you want to convert 1 km to mm, just replace x by 1 [km]:

1 km = 1 * 1000000 = 1000000 mm


  1. Multiply the amount of kilometers by 1000000.
  2. The result will be expressed in milimeters.

Kilometer to Milimeter Conversion Table

The following table will show the most common conversions for Kilometers (km) to Milimeters (mm):

Kilometers (km) Milimeters (mm)
0.001 km 1000 mm
0.01 km 10000 mm
0.1 km 100000 mm
1 km 1000000 mm
2 km 2000000 mm
3 km 3000000 mm
4 km 4000000 mm
5 km 5000000 mm
6 km 6000000 mm
7 km 7000000 mm
8 km 8000000 mm
9 km 9000000 mm
10 km 10000000 mm
20 km 20000000 mm
30 km 30000000 mm
40 km 40000000 mm
50 km 50000000 mm
60 km 60000000 mm
70 km 70000000 mm
80 km 80000000 mm
90 km 90000000 mm
100 km 100000000 mm

About Kilometers (km)

The kilometre or kilometer (symbol km) is a unit of length in the metric system, equal to one thousand metres. It is used to express the distance between two geographical places. In some places (such as the United States and the United Kingdom) the unit used is the mile.

About Milimeters (mm)

The millimetre (also spelled as millimeter in the United States), is a unit of length in the metric system equal to one thousandth of a metre. Therefore, there are one thousand millimetres in a metre.

FAQs for Kilometer to Milimeter converter calculator

What is Kilometer to Milimeter converter calculator?

Kilometer to Milimeter converter is a free and online calculator that converts Kilometers to Milimeters.

How do I use Kilometer to Milimeter converter?

You just have to insert the amount of Kilometers you want to convert and press the "Convert" button. The amount of Milimeters will be outputed in the input field below the button.

Which browsers are supported?

All mayor web browsers are supported, including Internet Explorer, Microsoft Edge, Firefox, Chrome, Safari and Opera.

Which devices does Kilometer to Milimeter converter work on?

Kilometer to Milimeter converter calculator works in any device that supports any of the browsers mentioned before. It can be a smartphone, desktop computer, notebook, tablet, etc.