Did you mean to convert |
megametre millimetre |
to |
pouce |

How many mm in 1 pouce?
The answer is 25.4.

We assume you are converting between **millimetre** and **pouce**.

You can view more details on each measurement unit:

mm or
pouce

The SI base unit for **length** is the metre.

1 metre is equal to 1000 mm, or 39.3700787402 pouce.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between millimetres and pouces.

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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.

The pouce is a French "inch" unit. The modern definition from the international standard of units is that 1 inch = 2.54 cm or 1 pouce = 25.4 mm. The word pouce means "thumb" in French. In past history, it was equal to 1/12 pied. Based on the pied de roi, the historical pouce was equal to about 1.066 inches or 2.707 centimeters.

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