BTU per hour foot degree Fahrenheit (BTU/(h·ft·°F))
US unit of thermal conductivity based on the BTU (IT), the foot and the degree Fahrenheit.
What is a BTU per hour foot degree Fahrenheit?
- Symbol
- BTU/(h·ft·°F)
- Quantity
- Thermal Conductivity
- Unit system
- US customary
- Definition
- US unit of thermal conductivity based on the BTU (IT), the foot and the degree Fahrenheit.
- Exact
- Yes, the value is exact by definition
- Source
- NIST Special Publication 811 (2008), Appendix B.8
Common applications
Used in US engineering handbooks for the thermal conductivity of metals, fluids and refractories.
BTU per hour foot degree Fahrenheit in other thermal conductivity units
- 1 BTU/(h·ft·°F) ≈ 1.730734666 W/(m·K)BTU per hour foot degree Fahrenheit to Watt per meter kelvin converter
- 1 BTU/(h·ft·°F) ≈ 0.01730734666 W/(cm·K)Watt per centimeter kelvin
- 1 BTU/(h·ft·°F) = 12 BTU·in/(h·ft²·°F)BTU inch per hour square foot degree Fahrenheit
- 1 BTU/(h·ft·°F) ≈ 1.488163944 kcal/(h·m·°C)Kilocalorie (IT) per hour meter degree Celsius
- 1 BTU/(h·ft·°F) ≈ 0.00413655513 cal/(s·cm·°C)Calorie (thermochemical) per second centimeter degree Celsius
BTU per hour foot degree Fahrenheit quick reference
| BTU per hour foot degree Fahrenheit | Watt per meter kelvin | Watt per centimeter kelvin | BTU inch per hour square foot degree Fahrenheit |
|---|---|---|---|
| 1 BTU/(h·ft·°F) | ≈ 1.730734666 W/(m·K) | ≈ 0.01730734666 W/(cm·K) | = 12 BTU·in/(h·ft²·°F) |
| 10 BTU/(h·ft·°F) | ≈ 17.30734666 W/(m·K) | ≈ 0.1730734666 W/(cm·K) | = 120 BTU·in/(h·ft²·°F) |
| 100 BTU/(h·ft·°F) | ≈ 173.0734666 W/(m·K) | ≈ 1.730734666 W/(cm·K) | = 1200 BTU·in/(h·ft²·°F) |
| 1000 BTU/(h·ft·°F) | ≈ 1730.734666 W/(m·K) | ≈ 17.30734666 W/(cm·K) | = 12000 BTU·in/(h·ft²·°F) |
Where the BTU per hour foot degree Fahrenheit fits
The next smaller thermal conductivity unit is the kilocalorie (IT) per hour meter degree Celsius (kcal/(h·m·°C)). 1 BTU/(h·ft·°F) ≈ 1.488163944 kcal/(h·m·°C), and 1 kcal/(h·m·°C) ≈ 0.6719689751 BTU/(h·ft·°F).
The next larger thermal conductivity unit is the watt per centimeter kelvin (W/(cm·K)). 1 BTU/(h·ft·°F) ≈ 0.01730734666 W/(cm·K), and 1 W/(cm·K) ≈ 57.77893165 BTU/(h·ft·°F).
Frequently asked questions
- How many watts per meter kelvin are in one BTU per hour foot degree Fahrenheit?
- One BTU per hour foot degree Fahrenheit ≈ 1.730734666 W/(m·K) (watts per meter kelvin).
- How many watts per centimeter kelvin are in one BTU per hour foot degree Fahrenheit?
- One BTU per hour foot degree Fahrenheit ≈ 0.01730734666 W/(cm·K) (watts per centimeter kelvin).
- How many BTU inches per hour square foot degree Fahrenheit are in one BTU per hour foot degree Fahrenheit?
- One BTU per hour foot degree Fahrenheit = 12 BTU·in/(h·ft²·°F) (BTU inches per hour square foot degree Fahrenheit).