Convert Millijoules per square metre to Micronewtons per metre
Convert Millijoules per square metre (mJ/m²) to Micronewtons per metre (µN/m) instantly and accurately.
Conversion Formula
µN/m = mJ/m² × 1000
About Millijoules per square metre
The millijoule per square metre (mJ/m²) equals 10⁻³ N/m - the SI surface-energy-per-area form, numerically identical to mN/m and dyn/cm. The preferred notation in materials science for solid surface energy and work of adhesion: polypropylene ~30 mJ/m², epoxy ~45 mJ/m², steel ~2 000 mJ/m². 1 mJ/m² = 1 mN/m = 1 dyn/cm.
About Micronewtons per metre
The micronewton per metre (µN/m) equals 10⁻⁶ N/m, used in precision thin-film capillarity studies and cryogenic surface-tension measurements. Liquid helium-4 at 2 K has a surface tension of ~0.37 mN/m (370 µN/m); liquid ³He near absolute zero is even lower. Numerically identical to µJ/m². 1 µN/m = 10⁻³ mN/m.
Quick Reference Table
| Millijoules per square metre (mJ/m²) | Micronewtons per metre (µN/m) |
|---|---|
| 1 mJ/m² | 1000 µN/m |
| 2 mJ/m² | 2000 µN/m |
| 5 mJ/m² | 5000 µN/m |
| 10 mJ/m² | 10000 µN/m |
| 25 mJ/m² | 25000 µN/m |
| 50 mJ/m² | 50000 µN/m |
| 100 mJ/m² | 100000 µN/m |