Length and Area
μintonm
Convert microinches (μin) to nanometres (nm).
Factor1 μin = 25.4 nm
Converter
μin
Accepts numbers or expressions, e.g. 150 + 14.7
Result
nm
Rendered to 6 significant figures.
Formula
Formula
nm = μin × 25.4
Multiply any value in microinches by 25.4 to obtain the value in nanometres.
Worked example
Convert 100 μin to nm.
- 01Start with 100 μin.
- 02Multiply by the conversion factor: 100 × 25.4 = 2540 nm.
Result100 μin = 2540 nm
Conversion table
| μin | nm |
|---|---|
| 1 | 25.4 |
| 2 | 50.8 |
| 5 | 127 |
| 10 | 254 |
| 20 | 508 |
| 50 | 1270 |
| 100 | 2540 |
| 200 | 5080 |
| 500 | 12700 |
| 1000 | 25400 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from μin to nm?
1 μin equals 25.4 nm. To convert, multiply the value in microinches by 25.4.
How do I convert 1 μin to nm?
1 μin = 25.4 nm. For any value, multiply by 25.4.
How do I convert nm back to μin?
Divide by the same factor — or equivalently, multiply by 0.03937008. So 1 nm = 0.0393701 μin.
When would I need to convert microinch 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).