Convert Nanowatt per square metre to Erg per second per square centimetre
Convert Nanowatt per square metre (nW/m²) to Erg per second per square centimetre (erg/(s·cm²)) instantly and accurately.
Conversion Formula
erg/(s·cm²) = nW/m² × 1.000000000e-6
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.
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
| Nanowatt per square metre (nW/m²) | Erg per second per square centimetre (erg/(s·cm²)) |
|---|---|
| 1 nW/m² | 1 × 10-6 erg/(s·cm²) |
| 2 nW/m² | 2 × 10-6 erg/(s·cm²) |
| 5 nW/m² | 5 × 10-6 erg/(s·cm²) |
| 10 nW/m² | 1 × 10-5 erg/(s·cm²) |
| 25 nW/m² | 2.5 × 10-5 erg/(s·cm²) |
| 50 nW/m² | 5 × 10-5 erg/(s·cm²) |
| 100 nW/m² | 0.0001 erg/(s·cm²) |