SizeChart

millimètre → pouce

1 millimètre = 0.0394 inches; 1 pouce = 25.4 millimetres.

millimètre to pouce
1 mm = 0.0394 in
UnitValue
millimètre → pouce conversion table
millimètre (mm)pouce (in)
1 0.0394
2 0.0787
3 0.1181
5 0.1969
8 0.315
10 0.3937
15 0.5906
20 0.7874
25 0.9843
30 1.1811
40 1.5748
50 1.9685
60 2.3622
80 3.1496
100 3.937

Formula and notes

1 millimètre = 0.0394 inches; conversely, 1 pouce = 25.4 millimetres.

The converter uses the base unit method: millimètre has a factor of 0.001 and pouce has a factor of 0.0254, so the target value = source value × (0.001 ÷ 0.0254).

Length and area converters use exact international definitions, so results are consistent across calculators.

Other length conversions

millimètre to pouce FAQ

How do I convert pouce to millimètre?
Multiply the value in pouce by 25.4 to get millimètre.
Is the conversion exact?
Yes. Every unit is defined by a fixed factor relative to the base unit, so the result is exact apart from rounding.