Convert mm to mils
Millimeters to mils. Enter a value to convert, or use the mm to mils chart further down the page.
1 millimeter equals 39.37007874 mils. Going the other way, 1 mil = 0.0254 millimeters.
How to convert mm to mils
To convert millimeters to mils, multiply the millimeter value by 39.37007874. You can also divide by 0.0254 to get the same answer.
mil = mm × 39.37007874
Worked example
Convert 15 mm to mils:
15 mm = 590.5511811 mil
mm to mils conversion chart
Use this mm to mils table for quick reference without typing anything.
| millimeters (mm) | mils (mil) |
|---|---|
| 0.01 mm | 0.3937007874 mil |
| 0.1 mm | 3.937007874 mil |
| 1 mm | 39.37007874 mil |
| 2 mm | 78.74015748 mil |
| 3 mm | 118.1102362 mil |
| 5 mm | 196.8503937 mil |
| 10 mm | 393.7007874 mil |
| 20 mm | 787.4015748 mil |
| 50 mm | 1,968.503937 mil |
| 100 mm | 3,937.007874 mil |
| 1,000 mm | 39,370.07874 mil |
What is a millimeter?
The millimeter is a metric unit equal to one thousandth of a meter. It is the smallest unit marked on a standard metric ruler and is the working unit of engineering drawings, machining tolerances and rainfall measurement.
What is a mil?
A mil, or thou, is one thousandth of an inch. It is the standard unit for sheet thickness, plating depth and printed-circuit-board trace widths in the US.
Frequently asked questions
How many mils are in a millimeter?
1 mm equals 39.37007874 mils. Going the other way, 1 mils is 0.0254 mm.
How do you convert mm to mils?
To convert millimeters to mils, multiply the millimeter value by 39.37007874. You can also divide by 0.0254 to get the same answer.
What is 10 mm in mils?
10 mm equals 393.7007874 mils. The conversion chart on this page lists the other values people look up most often.
Related length conversions
Convert mm to other units
- mils to mm
- mm to cm
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- mm to km
- mm to inches
- mm to feet
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- mm to miles
- mm to micrometers
- mm to nanometers
Convert other units to mils
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