Convert Watt per square metre to Kilowatt per square metre
Convert Watt per square metre (W/m²) to Kilowatt per square metre (kW/m²) instantly and accurately.
Conversion Formula
kW/m² = W/m² × 0.001
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 Kilowatt per square metre
The kilowatt per square metre (kW/m²) equals exactly 1000 W/m². Standard for concentrated solar collectors (parabolic trough ≈ 20-80 kW/m² at focus), industrial infrared heaters, and induction heating surfaces. 1 kW/m² = 1000 W/m² = 0.1 W/cm² = 100 mW/cm².
Quick Reference Table
| Watt per square metre (W/m²) | Kilowatt per square metre (kW/m²) |
|---|---|
| 1 W/m² | 0.001 kW/m² |
| 2 W/m² | 0.002 kW/m² |
| 5 W/m² | 0.005 kW/m² |
| 10 W/m² | 0.01 kW/m² |
| 25 W/m² | 0.025 kW/m² |
| 50 W/m² | 0.05 kW/m² |
| 100 W/m² | 0.1 kW/m² |