Metres to nanometres – convert m to nm
Convert metres to nanometres (m to nm) to express big dimensions in ultra-fine units. Useful in coatings, thin films, optics, microfabrication and nanotechnology.
Open the interactive m → nm converter:
Use main converter (m → nm) or switch to nm → mThe length converter supports nanometres, micrometres, millimetres, centimetres, metres, kilometres, inches, feet, yards and miles.
Quick reference: m to nm
One metre equals 1,000,000,000 nanometres. So: nm = m × 1,000,000,000. Examples:
| Metres (m) | Nanometres (nm) |
|---|---|
| 0.000000001 m | 1 nm |
| 0.0000001 m | 100 nm |
| 0.000001 m | 1,000 nm |
| 0.00001 m | 10,000 nm |
| 0.0001 m | 100,000 nm |
| 0.001 m | 1,000,000 nm |
| 1 m | 1,000,000,000 nm |
Why convert metres to nanometres?
m to nm is useful when you:
- Specify layer thicknesses or film coatings on metre-scale substrates.
- Translate engineering drawings into nanometre tolerances.
- Relate lab-scale nano measurements back to full-size devices.
- Teach metric prefixes from nano through micro to kilo.
Other length converters on this site
Metric length conversions on the homepage use exact powers of ten, so you can move between nm, µm, mm, cm, m and km without rounding surprises.
Page last updated: 4 December 2025.