Convert Erg per second per square centimetre to Nanowatt per square metre
Convert Erg per second per square centimetre (erg/(s·cm²)) to Nanowatt per square metre (nW/m²) instantly and accurately.
Conversion Formula
nW/m² = erg/(s·cm²) × 1000000
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.
About Nanowatt per square metre
The nanowatt per square metre (nW/m²) equals 10⁻⁹ W/m². Used in astrophysics and cosmology for quantifying extremely weak radiation fields, such as cosmic microwave background intensity and residual thermal emission from near-absolute-zero objects. Relevant in precision cryogenic sensor calibration. 1 nW/m² = 10⁻⁹ W/m² = 10³ pW/m².
Quick Reference Table
| Erg per second per square centimetre (erg/(s·cm²)) | Nanowatt per square metre (nW/m²) |
|---|---|
| 1 erg/(s·cm²) | 1000000 nW/m² |
| 2 erg/(s·cm²) | 2000000 nW/m² |
| 5 erg/(s·cm²) | 5000000 nW/m² |
| 10 erg/(s·cm²) | 10000000 nW/m² |
| 25 erg/(s·cm²) | 25000000 nW/m² |
| 50 erg/(s·cm²) | 50000000 nW/m² |
| 100 erg/(s·cm²) | 100000000 nW/m² |