Convert Kilonewtons per metre to Millijoules per square metre
Convert Kilonewtons per metre (kN/m) to Millijoules per square metre (mJ/m²) instantly and accurately.
Conversion Formula
mJ/m² = kN/m × 1000000
About Kilonewtons per metre
The kilonewton per metre (kN/m) equals 1 000 N/m = 10⁶ mN/m - applied in geotechnical engineering for electro-osmotic soil surface-tension effects and in materials science for metal-ceramic interfacial fracture energy. Alumina-aluminium interfaces: ~0.5-1 kN/m; diamond-metal bonds: several kN/m. 1 kN/m = 1 000 N/m = 10⁶ mN/m.
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.
Quick Reference Table
| Kilonewtons per metre (kN/m) | Millijoules per square metre (mJ/m²) |
|---|---|
| 1 kN/m | 1000000 mJ/m² |
| 2 kN/m | 2000000 mJ/m² |
| 5 kN/m | 5000000 mJ/m² |
| 10 kN/m | 10000000 mJ/m² |
| 25 kN/m | 25000000 mJ/m² |
| 50 kN/m | 50000000 mJ/m² |
| 100 kN/m | 100000000 mJ/m² |