Convert Milliwatt per square metre to Nanowatt per square metre
Convert Milliwatt per square metre (mW/m²) to Nanowatt per square metre (nW/m²) instantly and accurately.
Conversion Formula
nW/m² = mW/m² × 1000000
About Milliwatt per square metre
The milliwatt per square metre (mW/m²) equals 10⁻³ W/m². Relevant in geothermal surveys: global average continental heat flux ≈ 65 mW/m², oceanic ≈ 101 mW/m². Used in building physics for quantifying very small heat leakage through ultra-high-performance insulation. 1 mW/m² = 10⁻³ W/m² = 1 erg/(s·cm²).
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
| Milliwatt per square metre (mW/m²) | Nanowatt per square metre (nW/m²) |
|---|---|
| 1 mW/m² | 1000000 nW/m² |
| 2 mW/m² | 2000000 nW/m² |
| 5 mW/m² | 5000000 nW/m² |
| 10 mW/m² | 10000000 nW/m² |
| 25 mW/m² | 25000000 nW/m² |
| 50 mW/m² | 50000000 nW/m² |
| 100 mW/m² | 100000000 nW/m² |