Convert International table BTU per hour per square inch per degree Fahrenheit to Thermochemical kilocalorie per hour per square centimetre per degree Celsius
Convert International table BTU per hour per square inch per degree Fahrenheit (BTU(IT)/(h·in²·°F)) to Thermochemical kilocalorie per hour per square centimetre per degree Celsius (kcal(th)/(h·cm²·°C)) instantly and accurately.
Conversion Formula
kcal(th)/(h·cm²·°C) = BTU(IT)/(h·in²·°F) × 0.07035400851
About International table BTU per hour per square inch per degree Fahrenheit
The international table BTU per hour per square inch per degree Fahrenheit (BTU(IT)/(h·in²·°F)) equals ≈ 817.67 W/(m²·K) (1 in² = 6.4516×10⁻⁴ m²; 1 °F = 5/9 K). Encountered in US electronics thermal management, semiconductor package datasheets, and heat sink characterisation where contact areas are measured in square inches. 1 BTU(IT)/(h·in²·°F) ≈ 817.67 W/(m²·K).
About Thermochemical kilocalorie per hour per square centimetre per degree Celsius
The thermochemical kilocalorie per hour per square centimetre per degree Celsius (kcal(th)/(h·cm²·°C)) equals ≈ 11622 W/(m²·K) (= 10⁴ × kcal(th)/(h·m²·°C)). A high-flux CGS metric unit found in older combustion engineering, industrial furnace design, and metallurgical heat treating references. 1 kcal(th)/(h·cm²·°C) ≈ 11622 W/(m²·K).
Quick Reference Table
| International table BTU per hour per square inch per degree Fahrenheit (BTU(IT)/(h·in²·°F)) | Thermochemical kilocalorie per hour per square centimetre per degree Celsius (kcal(th)/(h·cm²·°C)) |
|---|---|
| 1 BTU(IT)/(h·in²·°F) | 0.070354 kcal(th)/(h·cm²·°C) |
| 2 BTU(IT)/(h·in²·°F) | 0.140708 kcal(th)/(h·cm²·°C) |
| 5 BTU(IT)/(h·in²·°F) | 0.35177 kcal(th)/(h·cm²·°C) |
| 10 BTU(IT)/(h·in²·°F) | 0.70354 kcal(th)/(h·cm²·°C) |
| 25 BTU(IT)/(h·in²·°F) | 1.75885 kcal(th)/(h·cm²·°C) |
| 50 BTU(IT)/(h·in²·°F) | 3.5177 kcal(th)/(h·cm²·°C) |
| 100 BTU(IT)/(h·in²·°F) | 7.0354 kcal(th)/(h·cm²·°C) |