Convert Ergs per square centimetre to Joules per square metre
Convert Ergs per square centimetre (erg/cm²) to Joules per square metre (J/m²) instantly and accurately.
Conversion Formula
J/m² = erg/cm² × 0.001
About Ergs per square centimetre
The erg per square centimetre (erg/cm²) equals 10⁻³ N/m - the CGS surface energy unit (1 erg/cm² = 10⁻⁷ J / 10⁻⁴ m² = 10⁻³ J/m² = 10⁻³ N/m). Standard in solid surface-energy measurements: polyethylene ~31 erg/cm²; glass ~300-500 erg/cm²; metals 500-2 000 erg/cm². 1 erg/cm² = 1 mN/m = 1 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
| Ergs per square centimetre (erg/cm²) | Joules per square metre (J/m²) |
|---|---|
| 1 erg/cm² | 0.001 J/m² |
| 2 erg/cm² | 0.002 J/m² |
| 5 erg/cm² | 0.005 J/m² |
| 10 erg/cm² | 0.01 J/m² |
| 25 erg/cm² | 0.025 J/m² |
| 50 erg/cm² | 0.05 J/m² |
| 100 erg/cm² | 0.1 J/m² |