Mils to Millimeters
Convert mils (mil) to millimeters (mm). Type in either box; the other updates as you go.
How to convert mils to millimeters
To convert mils to millimeters, multiply the number of mils by 0.0254.
Example
Convert 50 mils to millimeters:
Mil to millimeter conversion chart
| Mils (mil) | Millimeters (mm) |
|---|---|
| 1 mil | 0.0254 mm |
| 2 mil | 0.0508 mm |
| 3 mil | 0.0762 mm |
| 4 mil | 0.1016 mm |
| 5 mil | 0.127 mm |
| 6 mil | 0.1524 mm |
| 7 mil | 0.1778 mm |
| 8 mil | 0.2032 mm |
| 9 mil | 0.2286 mm |
| 10 mil | 0.254 mm |
| 12 mil | 0.3048 mm |
| 15 mil | 0.381 mm |
| 20 mil | 0.508 mm |
| 25 mil | 0.635 mm |
| 30 mil | 0.762 mm |
| 40 mil | 1.016 mm |
| 50 mil | 1.27 mm |
| 60 mil | 1.524 mm |
| 70 mil | 1.778 mm |
| 75 mil | 1.905 mm |
| 80 mil | 2.032 mm |
| 90 mil | 2.286 mm |
| 100 mil | 2.54 mm |
| 150 mil | 3.81 mm |
| 200 mil | 5.08 mm |
| 250 mil | 6.35 mm |
| 500 mil | 12.7 mm |
| 1,000 mil | 25.4 mm |
Going the other way? See the millimeters to mils chart.
About the units
Mil (mil)
A mil (thou) is one thousandth of an inch, or 0.0254 millimeters. It is used for the thickness of plastic sheeting, coatings and wire.
Millimeter (mm)
A millimeter is one thousandth of a meter. It is the unit on engineering drawings, rainfall gauges and the small marks of a metric ruler.
Frequently asked questions
How many millimeters are in a mil?
There are 0.0254 millimeters in a mil.
How many mils are in a millimeter?
There are 39.37007874 mils in a millimeter.
How do you convert mils to millimeters?
To convert mils to millimeters, multiply the number of mils by 0.0254.
What is 50 mils in millimeters?
50 mils equals 1.27 millimeters.
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