How many kilometers in 1 millimeter?
The answer is 1.0E-6.
We assume you are converting between kilometre and millimetre.
You can view more details on each measurement unit: kilometers or
millimeter
The SI base unit for length is the metre.
1 metre is equal to 0.001 kilometers, or 1000 millimeter.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between kilometres and millimetres.
Type in your own numbers in the form to convert the units!

››Quick conversion chart of kilometers to millimeter

1 kilometers to millimeter = 1000000 millimeter

2 kilometers to millimeter = 2000000 millimeter

3 kilometers to millimeter = 3000000 millimeter

4 kilometers to millimeter = 4000000 millimeter

5 kilometers to millimeter = 5000000 millimeter

6 kilometers to millimeter = 6000000 millimeter

7 kilometers to millimeter = 7000000 millimeter

8 kilometers to millimeter = 8000000 millimeter

9 kilometers to millimeter = 9000000 millimeter

10 kilometers to millimeter = 10000000 millimeter

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You can do the reverse unit conversion from
millimeter to kilometers, or enter any two units below:

A kilometre (American spelling: kilometer, symbol: km) is a unit of length equal to 1000 metres (from the Greek words khilia = thousand and metro = count/measure). It is approximately equal to 0.621 miles, 1094 yards or 3281 feet.

››Definition: Millimeter

A millimetre (American spelling: millimeter, symbol mm) is one thousandth of a metre, which is the International System of Units (SI) base unit of length. The millimetre is part of a metric system. A corresponding unit of area is the square millimetre and a corresponding unit of volume is the cubic millimetre.

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