Convert International table kilocalorie per hour per square metre to Watt per square metre
Convert International table kilocalorie per hour per square metre (kcal(IT)/(h·m²)) to Watt per square metre (W/m²) instantly and accurately.
Conversion Formula
W/m² = kcal(IT)/(h·m²) × 1.163
About International table kilocalorie per hour per square metre
The international table kilocalorie per hour per square metre (kcal(IT)/(h·m²)) equals 4186.8/3600 ≈ 1.1633 W/m² (1 kcal(IT) = 4186.8 J; 1 h = 3600 s). The IT variant used in steam engineering, solar thermal collector standards, and process heat calculations. 1 kcal(IT)/(h·m²) ≈ 1.1633 W/m².
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.
Quick Reference Table
| International table kilocalorie per hour per square metre (kcal(IT)/(h·m²)) | Watt per square metre (W/m²) |
|---|---|
| 1 kcal(IT)/(h·m²) | 1.163 W/m² |
| 2 kcal(IT)/(h·m²) | 2.326 W/m² |
| 5 kcal(IT)/(h·m²) | 5.815 W/m² |
| 10 kcal(IT)/(h·m²) | 11.63 W/m² |
| 25 kcal(IT)/(h·m²) | 29.075 W/m² |
| 50 kcal(IT)/(h·m²) | 58.15 W/m² |
| 100 kcal(IT)/(h·m²) | 116.3 W/m² |