## ››Convert thou to millimetre

 thou mm

 Did you mean to convert thou to megametre millimetre

How many thou in 1 mm? The answer is 39.370078740157.
We assume you are converting between thou and millimetre.
You can view more details on each measurement unit:
thou or mm
The SI base unit for length is the metre.
1 metre is equal to 39370.078740157 thou, or 1000 mm.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between thou and millimetres.
Type in your own numbers in the form to convert the units!

## ››Quick conversion chart of thou to mm

1 thou to mm = 0.0254 mm

10 thou to mm = 0.254 mm

20 thou to mm = 0.508 mm

30 thou to mm = 0.762 mm

40 thou to mm = 1.016 mm

50 thou to mm = 1.27 mm

100 thou to mm = 2.54 mm

200 thou to mm = 5.08 mm

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## ››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.

## ››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!