Convert Newtons per metre to Joules per square metre
Convert Newtons per metre (N/m) to Joules per square metre (J/m²) instantly and accurately.
Conversion Formula
J/m² = N/m × 1
About Newtons per metre
The newton per metre (N/m) is the SI derived unit of surface tension, equal to one joule per square metre. Adopted in all modern scientific publications and engineering codes. Water at 20 °C: 0.0728 N/m; mercury: 0.485 N/m; liquid iron at 1 550 °C: ~1.8 N/m. 1 N/m = 1 J/m² = 1 000 mN/m = 1 000 dyn/cm.
About Joules per square metre
The joule per square metre (J/m²) equals 1 N/m exactly - the surface-fracture-energy (G_c) form used in fracture mechanics and wetting thermodynamics. Values: silica glass ~0.8 J/m²; aluminium ~1.4 J/m²; silicon carbide ~10-25 J/m²; tough metals 50-100 J/m². 1 J/m² = 1 N/m = 1 000 mJ/m².
Quick Reference Table
| Newtons per metre (N/m) | Joules per square metre (J/m²) |
|---|---|
| 1 N/m | 1 J/m² |
| 2 N/m | 2 J/m² |
| 5 N/m | 5 J/m² |
| 10 N/m | 10 J/m² |
| 25 N/m | 25 J/m² |
| 50 N/m | 50 J/m² |
| 100 N/m | 100 J/m² |