Convert Watt per square metre to Erg per second per square centimetre
Convert Watt per square metre (W/m²) to Erg per second per square centimetre (erg/(s·cm²)) instantly and accurately.
Conversion Formula
erg/(s·cm²) = W/m² × 1000
About Watt per square metre
The watt per square metre (W/m²) is the SI coherent unit for heat flux density and irradiance. Solar irradiance at Earth's surface ≈ 1000 W/m²; solar constant ≈ 1361 W/m²; human skin radiative emission ≈ 100 W/m²; global average geothermal flux ≈ 0.087 W/m². Referenced in ISO 80000-4. 1 W/m² = 1 J/(s·m²) = 10⁻³ kW/m².
About Erg per second per square centimetre
The erg per second per square centimetre (erg/(s·cm²)) equals exactly 10⁻³ W/m² in SI (1 erg = 10⁻⁷ J; 1 cm² = 10⁻⁴ m²). The CGS irradiance unit used in classical electromagnetic theory, astrophysics, and older radiation physics literature. Numerically equal to the milliwatt per square metre. 1 erg/(s·cm²) = 10⁻³ W/m² = 1 mW/m².
Quick Reference Table
| Watt per square metre (W/m²) | Erg per second per square centimetre (erg/(s·cm²)) |
|---|---|
| 1 W/m² | 1000 erg/(s·cm²) |
| 2 W/m² | 2000 erg/(s·cm²) |
| 5 W/m² | 5000 erg/(s·cm²) |
| 10 W/m² | 10000 erg/(s·cm²) |
| 25 W/m² | 25000 erg/(s·cm²) |
| 50 W/m² | 50000 erg/(s·cm²) |
| 100 W/m² | 100000 erg/(s·cm²) |