How many mm in 1 fathom [ancient]?
The answer is 1829.
We assume you are converting between millimetre and fathom [ancient].
You can view more details on each measurement unit: mm or
fathom [ancient]
The SI base unit for length is the metre.
1 metre is equal to 1000 mm, or 0.54674685620558 fathom [ancient].
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between millimetres and fathoms.
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fathom [ancient] to mm, or enter any two units below:

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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