# Convert Millimeters to Kilometers

## How to use the converter

To convert mm to km enter the value in the field below and select the target unit, the value will be displayed below:

Value:
From:
To:
Decimal places:

=

## Conversion Tables

Metric
Kilometer (km)
Meter (m)
Decimeter (dm)
Centimeter (cm)
Millimeter (mm)
Micrometer (µm)
Nanometer (nm)
Angstrom (Å)
Astronomical
Parsec (pc)
Light-year
Astronomical unit (AU)
Light-minute
Light-second
British/American
League
Mile (mi)
Furlong
Chain
Rod (rd)
Yard (yd)
Foot (ft)
Hand
Inch (in)
Line
Thousandth (mil)
Thou (thou)
Nautical
Nautical mile
Fathom

## How to perform key conversions involving length measurements

The formulas for conversion are represented below:

### Millimeters to Kilometers Formula

km = mm / 1000000

Example: 3000 Millimeters in Kilometers:

km = mm / 1000000

km = 3000 / 1000000

km = 0.003

### Kilometers to Millimeters Formula

mm = km * 1000000

Example: 2 Kilometers in Millimeters:

mm = km * 1000000

mm = 2 * 1000000

mm = 2000000

## Frequently asked questions involving length and distance

### 100 Millimeters are equal to how many Kilometers

Considering that 1 Millimeter is equivalent to 0.000001 Kilometer, you can use a rule of three to obtain that 100 Millimeter equals 0.0001 Kilometer.

1 mm - 0.000001 km

100 mm - x

Apply the rule of three and get:

x mm = 0.0001 kmmm

x = 0.0001 km

### 100 Kilometers is equal to how many Millimeters?

If every 1 Kilometers we have 1000000 Millimeters, just multiply the number of Kilometers (100) by 1000000, so you will obtain that 100 km equals 100,000,000 mm. Observe the calculation below:

mm = km * 1000000

mm = 100 * 1000000

mm = 100,000,000