Convert Thermochemical calorie per hour per square centimetre per degree Celsius to International table BTU per hour per square inch per degree Fahrenheit
Convert Thermochemical calorie per hour per square centimetre per degree Celsius (cal(th)/(h·cm²·°C)) to International table BTU per hour per square inch per degree Fahrenheit (BTU(IT)/(h·in²·°F)) instantly and accurately.
Conversion Formula
BTU(IT)/(h·in²·°F) = cal(th)/(h·cm²·°C) × 0.01421383118
About Thermochemical calorie per hour per square centimetre per degree Celsius
The thermochemical calorie per hour per square centimetre per degree Celsius (cal(th)/(h·cm²·°C)) equals 4.184/0.36 ≈ 11.622 W/(m²·K) (1 cal(th) = 4.184 J; 1 cm² = 10⁻⁴ m²). A CGS-derived unit found in older heat transfer textbooks and chemical engineering publications, especially in Eastern European and Japanese technical literature. 1 cal(th)/(h·cm²·°C) ≈ 11.622 W/(m²·K).
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).
Quick Reference Table
| Thermochemical calorie per hour per square centimetre per degree Celsius (cal(th)/(h·cm²·°C)) | International table BTU per hour per square inch per degree Fahrenheit (BTU(IT)/(h·in²·°F)) |
|---|---|
| 1 cal(th)/(h·cm²·°C) | 0.0142138 BTU(IT)/(h·in²·°F) |
| 2 cal(th)/(h·cm²·°C) | 0.0284277 BTU(IT)/(h·in²·°F) |
| 5 cal(th)/(h·cm²·°C) | 0.0710692 BTU(IT)/(h·in²·°F) |
| 10 cal(th)/(h·cm²·°C) | 0.142138 BTU(IT)/(h·in²·°F) |
| 25 cal(th)/(h·cm²·°C) | 0.355346 BTU(IT)/(h·in²·°F) |
| 50 cal(th)/(h·cm²·°C) | 0.710692 BTU(IT)/(h·in²·°F) |
| 100 cal(th)/(h·cm²·°C) | 1.42138 BTU(IT)/(h·in²·°F) |