Millimeter to Mil (thou) Converter
1 millimeter is about 39.37007874 mils. Convert millimeters (mm) to mils (mil) below: type a value and the result updates as you type.
mm to mil calculator
Result
Millimeter to Mil (thou) conversion
1 mm ≈ 39.37007874 milone millimeter in mils
1 mil = 0.0254 mmone mil in millimeters
Millimeter (mm): One thousandth of a meter.
Mil (thou) (mil): One thousandth of an inch.
Source:Millimeter: SI Brochure, 9th edition (BIPM, 2019); Mil (thou): NIST Special Publication 811 (2008), Appendix B.8
How to convert millimeters to mils
To convert millimeters to mils, divide the number of millimeters by 0.0254.
Formula
mil = mm ÷ 0.0254
Examples
- 5 mm = 5 ÷ 0.0254 ≈ 196.8503937 mil
- 25 mm = 25 ÷ 0.0254 ≈ 984.2519685 mil
- 100 mm = 100 ÷ 0.0254 ≈ 3937.007874 mil
Millimeter to Mil (thou) conversion table
| Millimeter (mm) | Mil (thou) (mil) |
|---|---|
| 0.1 mm | 3.937007874 mil |
| 0.5 mm | 19.68503937 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 |
| 25 mm | 984.2519685 mil |
| 50 mm | 1968.503937 mil |
| 100 mm | 3937.007874 mil |
| 250 mm | 9842.519685 mil |
| 500 mm | 19685.03937 mil |
| 1000 mm | 39370.07874 mil |
Values rounded to 10 significant digits where needed.
Common conversions
Frequently asked questions
- How many mils are in one millimeter?
- One millimeter is about 39.37007874 mils.
- How do I convert mils to millimeters?
- To convert mils to millimeters, multiply the number of mils by 0.0254. The formula is mm = mil × 0.0254.
- Is this conversion exact?
- Yes. Both units have exact definitions and the factor 0.0254 is exact. Displayed results are only rounded when they have many decimal places.
- Which is larger, a millimeter or a mil?
- A millimeter is about 39.37007874 times larger than a mil. In other words, a mil is 0.0254 of a millimeter.