Convert International table BTU per hour per square inch to International table kilocalorie per hour per square metre
Convert International table BTU per hour per square inch (BTU(IT)/(h·in²)) to International table kilocalorie per hour per square metre (kcal(IT)/(h·m²)) instantly and accurately.
Conversion Formula
kcal(IT)/(h·m²) = BTU(IT)/(h·in²) × 390.5942109
About International table BTU per hour per square inch
The international table BTU per hour per square inch (BTU(IT)/(h·in²)) equals 1055.05585262/(3600×6.4516×10⁻⁴) ≈ 454.26 W/m². Used for high heat flux applications such as electronic component cooling, jet engine combustor walls, and nuclear fuel assembly design in US customary units. 1 BTU(IT)/(h·in²) ≈ 454.26 W/m².
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.
Quick Reference Table
| International table BTU per hour per square inch (BTU(IT)/(h·in²)) | International table kilocalorie per hour per square metre (kcal(IT)/(h·m²)) |
|---|---|
| 1 BTU(IT)/(h·in²) | 390.594 kcal(IT)/(h·m²) |
| 2 BTU(IT)/(h·in²) | 781.188 kcal(IT)/(h·m²) |
| 5 BTU(IT)/(h·in²) | 1952.97 kcal(IT)/(h·m²) |
| 10 BTU(IT)/(h·in²) | 3905.94 kcal(IT)/(h·m²) |
| 25 BTU(IT)/(h·in²) | 9764.86 kcal(IT)/(h·m²) |
| 50 BTU(IT)/(h·in²) | 19529.7 kcal(IT)/(h·m²) |
| 100 BTU(IT)/(h·in²) | 39059.4 kcal(IT)/(h·m²) |