Convert Kilocalorie per metre per hour per degree Celsius to BTU per hour per foot per degree Fahrenheit
Convert Kilocalorie per metre per hour per degree Celsius (kcal/(m·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/(m·h·°C) × 0.6719689751
About Kilocalorie per metre per hour per degree Celsius
The kcal/(m·h·°C) equals exactly 4186.8/3600 W/(m·K) = 1.163 W/(m·K) (1 kcal(IT) = 4186.8 J). Used in pre-SI continental European engineering literature, older DIN/BS standards, and Soviet-era technical documentation. Brick: ≈0.6; dense concrete: ≈1.3; carbon steel: ≈38 kcal/(m·h·°C). 1 kcal/(m·h·°C) = 1.163 W/(m·K).
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 metre per hour per degree Celsius (kcal/(m·h·°C)) | BTU per hour per foot per degree Fahrenheit (BTU/(h·ft·°F)) |
|---|---|
| 1 kcal/(m·h·°C) | 0.671969 BTU/(h·ft·°F) |
| 2 kcal/(m·h·°C) | 1.34394 BTU/(h·ft·°F) |
| 5 kcal/(m·h·°C) | 3.35984 BTU/(h·ft·°F) |
| 10 kcal/(m·h·°C) | 6.71969 BTU/(h·ft·°F) |
| 25 kcal/(m·h·°C) | 16.7992 BTU/(h·ft·°F) |
| 50 kcal/(m·h·°C) | 33.5984 BTU/(h·ft·°F) |
| 100 kcal/(m·h·°C) | 67.1969 BTU/(h·ft·°F) |