Length and Area
miltonm
Convert mils (mil) to nanometres (nm).
Factor1 mil = 25400 nm
Converter
mil
Accepts numbers or expressions, e.g. 150 + 14.7
Result
nm
Rendered to 6 significant figures.
Formula
Formula
nm = mil × 25400
Multiply any value in mils by 25400 to obtain the value in nanometres.
Worked example
Convert 1 mil to nm.
- 01Start with 1 mil.
- 02Multiply by the conversion factor: 1 × 25400 = 25400 nm.
Result1 mil = 25400 nm
Conversion table
| mil | nm |
|---|---|
| 1 | 25400 |
| 2 | 50800 |
| 5 | 1.2700e+5 |
| 10 | 2.5400e+5 |
| 20 | 5.0800e+5 |
| 50 | 1.2700e+6 |
| 100 | 2.5400e+6 |
| 200 | 5.0800e+6 |
| 500 | 1.27e+7 |
| 1000 | 2.54e+7 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from mil to nm?
1 mil equals 25400 nm. To convert, multiply the value in mils by 25400.
How do I convert 1 mil to nm?
1 mil = 25400 nm. For any value, multiply by 25400.
How do I convert nm back to mil?
Divide by the same factor — or equivalently, multiply by 3.937008e-5. So 1 nm = 3.93701e-5 mil.
When would I need to convert mil (thousandth of an inch) to nanometre?
Length conversions appear in piping, layout, and mechanical drawings — particularly when reconciling imperial fittings or instrument lengths with metric plant drawings.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).