›› Convert kilometre to millimetre


›› More information from the unit converter

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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›› Definition: Kilometer

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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ConvertUnits.com provides an online conversion calculator for all types of measurement units. You can find metric conversion tables for SI units, as well as English units, currency, and other data. Type in unit symbols, abbreviations, or full names for units of length, area, mass, pressure, and other types. Examples include mm, inch, 100 kg, US fluid ounce, 6'3", 10 stone 4, cubic cm, metres squared, grams, moles, feet per second, and many more!