## ››Convert millimetre to exametre

 millimetre exameter

How many millimetre in 1 exameter? The answer is 1.0E+21.
We assume you are converting between millimetre and exametre.
You can view more details on each measurement unit:
millimetre or exameter
The SI base unit for length is the metre.
1 metre is equal to 1000 millimetre, or 1.0E-18 exameter.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millimetres and exameters.
Type in your own numbers in the form to convert the units!

## ››Want other units?

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

## Enter two units to convert

 From: To:

## ››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.

## ››Definition: Exametre

The SI prefix "exa" represents a factor of 1018, or in exponential notation, 1E18.

So 1 exametre = 1018 metre.

## ››Metric conversions and more

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!