Convert Kilocalorie per centimetre per hour per degree Celsius to BTU per hour per foot per degree Fahrenheit
Convert Kilocalorie per centimetre per hour per degree Celsius (kcal/(cm·h·°C)) to BTU per hour per foot per degree Fahrenheit (BTU/(h·ft·°F)) instantly and accurately.
Conversion Formula
BTU/(h·ft·°F) = kcal/(cm·h·°C) × 67.19689751
About Kilocalorie per centimetre per hour per degree Celsius
The kcal/(cm·h·°C) equals exactly 4186.8/36 W/(m·K) = 116.3 W/(m·K) (1 kcal(IT) = 4186.8 J; 1 h = 3600 s; 1 cm = 0.01 m). Used in older CGS-metric European and Soviet literature for metallic heat transfer. Steel: ≈0.137; copper: ≈3.31 kcal/(cm·h·°C). 1 kcal/(cm·h·°C) = 116.3 W/(m·K) = 100 × kcal/(m·h·°C).
About BTU per hour per foot per degree Fahrenheit
The BTU/(h·ft·°F) equals (1055.05585262 × 9)/(3600 × 0.3048 × 5) W/(m·K) ≈1.7307 W/(m·K). Standard US thermal conductivity unit in ASHRAE Handbook and ASTM C1045. Copper: ≈223; carbon steel: ≈26; brick: ≈0.44; glass fibre insulation: ≈0.025 BTU/(h·ft·°F). 1 BTU/(h·ft·°F) = 12 BTU·in/(h·ft²·°F) ≈1.7307 W/(m·K).
Quick Reference Table
| Kilocalorie per centimetre per hour per degree Celsius (kcal/(cm·h·°C)) | BTU per hour per foot per degree Fahrenheit (BTU/(h·ft·°F)) |
|---|---|
| 1 kcal/(cm·h·°C) | 67.1969 BTU/(h·ft·°F) |
| 2 kcal/(cm·h·°C) | 134.394 BTU/(h·ft·°F) |
| 5 kcal/(cm·h·°C) | 335.984 BTU/(h·ft·°F) |
| 10 kcal/(cm·h·°C) | 671.969 BTU/(h·ft·°F) |
| 25 kcal/(cm·h·°C) | 1679.92 BTU/(h·ft·°F) |
| 50 kcal/(cm·h·°C) | 3359.84 BTU/(h·ft·°F) |
| 100 kcal/(cm·h·°C) | 6719.69 BTU/(h·ft·°F) |