How many femtometer in 1 mm?
The answer is 1000000000000.
We assume you are converting between femtometre and millimetre.
You can view more details on each measurement unit: femtometer or
mm
The SI base unit for length is the metre.
1 metre is equal to 1.0E+15 femtometer, or 1000 mm.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between femtometers and millimetres.
Type in your own numbers in the form to convert the units!

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

The SI prefix "femto" represents a factor of
10^{-15}, or in exponential notation, 1E-15.

So 1 femtometre = 10^{-15} metre.

››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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