Convert BTU/(h·ft·°F) to Watts per Centimetre Kelvin
1 BTU per hour foot degree Fahrenheit (BTU/(h·ft·°F)) = 0.01730734666 watts per centimetre kelvin (W/(cm·K)). 1 W/(cm·K) = 57.77893165 BTU/(h·ft·°F). Example: 15 BTU/(h·ft·°F) = 15 × 0.01730734666 = 0.2596102 W/(cm·K).
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1 BTU/(h·ft·°F) = 0.01730734666 W/(cm·K)
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk BTU per hour foot degree Fahrenheit to watt per centimetre kelvin converter to paste a column from Excel.
How to Convert BTU/(h·ft·°F) to Watt per Centimetre Kelvin
- 1 BTU/(h·ft·°F) = 0.01730734666 W/(cm·K)
- 1 W/(cm·K) = 57.77893165 BTU/(h·ft·°F)
- Example: convert 15 BTU/(h·ft·°F) to W/(cm·K): 15 BTU/(h·ft·°F) = 15 × 0.01730734666 W/(cm·K) = 0.2596102 W/(cm·K)
Formula
W/(cm·K) = BTU/(h·ft·°F) × 0.01730734666371
or W/(cm·K) = BTU/(h·ft·°F) ÷ 57.7789316543
Derivation from SI units:
- 1 BTU_IT/(h·ft·°F) = 1055.05585262 J ÷ (3600 s × 0.3048 m × 5/9 K) = 1.730734666 W/(m·K) (exact)
- 1 W/(cm·K) = 100 W/(m·K)
- 1 BTU/(h·ft·°F) = 1.730734666371 W/(m·K) ÷ 100 W/(m·K) per W/(cm·K) = 0.01730734666371 W/(cm·K)
Both units are defined exactly, so the factor is exact. BTU/(h·ft·°F) definition: BTU per hour foot degree Fahrenheit; Watt per Centimetre Kelvin definition: watt per centimetre kelvin.
Worked examples
- A reading of 0.1 BTU/(h·ft·°F) converts to 0.001730734666 W/(cm·K).
0.1 BTU/(h·ft·°F) × 0.01730734666 = 0.001730734666 W/(cm·K) - A value of 9.4 BTU/(h·ft·°F) is 0.1626890586 W/(cm·K).
9.4 BTU/(h·ft·°F) × 0.01730734666 = 0.1626890586 W/(cm·K)
BTU/(h·ft·°F) to Watt per Centimetre Kelvin conversion table
| BTU/(h·ft·°F) | Watts per Centimetre Kelvin (W/(cm·K)) |
|---|---|
| 0.014 BTU/(h·ft·°F) | 0.0002423028533 W/(cm·K) |
| 0.02 BTU/(h·ft·°F) | 0.0003461469333 W/(cm·K) |
| 0.023 BTU/(h·ft·°F) | 0.0003980689733 W/(cm·K) |
| 0.1 BTU/(h·ft·°F) | 0.001730734666 W/(cm·K) |
| 0.35 BTU/(h·ft·°F) | 0.006057571332 W/(cm·K) |
| 1 BTU/(h·ft·°F) | 0.01730734666 W/(cm·K) |
| 9.4 BTU/(h·ft·°F) | 0.1626890586 W/(cm·K) |
| 26 BTU/(h·ft·°F) | 0.4499910133 W/(cm·K) |
| 118 BTU/(h·ft·°F) | 2.042266906 W/(cm·K) |
| 232 BTU/(h·ft·°F) | 4.015304426 W/(cm·K) |
Where it's used
BTU/(h·ft·°F) are used for US heat transfer textbooks and ASHRAE data, while watts per centimetre kelvin appear in semiconductor and electronics materials. Both measure thermal conductivity (k, λ), so the conversion is a fixed factor.
BTU/(h·ft·°F) to other thermal conductivity units
| Conversion | 1 BTU/(h·ft·°F) equals |
|---|---|
| BTU per hour foot degree Fahrenheit to watt per centimetre kelvin | 0.01730734666 W/(cm·K) |
| BTU per hour foot degree Fahrenheit to watt per metre kelvin | 1.730734666 W/(m·K) |
| BTU per hour foot degree Fahrenheit to BTU inch per hour square foot degree Fahrenheit | 12 BTU·in/(h·ft²·°F) |
| BTU per hour foot degree Fahrenheit to milliwatt per metre kelvin | 1730.734666 mW/(m·K) |
| BTU per hour foot degree Fahrenheit to kilocalorie per hour metre degree Celsius | 1.488163944 kcal/(h·m·°C) |
| BTU per hour foot degree Fahrenheit to calorie per second centimetre degree Celsius | 0.00413655513 cal/(s·cm·°C) |
Frequently asked questions
How many watts per centimetre kelvin are in 1 BTU per hour foot degree Fahrenheit?
1 BTU/(h·ft·°F) = 0.01730734666 W/(cm·K).
How do I convert BTU per hour foot degree Fahrenheit to watts per centimetre kelvin?
Multiply the value in BTU/(h·ft·°F) by 0.01730734666, or divide it by 57.77893165. For example, 15 BTU/(h·ft·°F) × 0.01730734666 = 0.2596102 W/(cm·K).
Is the BTU/(h·ft·°F) to W/(cm·K) conversion exact?
Yes. Both units are defined exactly, so the ratio is exact; its decimal form does not terminate and is shown here to 10 significant figures (more with the precision selector).
Sources
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "British thermal unit_IT per hour foot degree Fahrenheit [Btu_IT/(h · ft · °F)]".
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 4, coherent derived units with special names.
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert BTU/(h·ft·°F) to Watts per Centimetre Kelvin. Retrieved October 25, 2026, from https://scientificconverters.com/thermal-conductivity/btu-per-hour-foot-fahrenheit-to-watts-per-centimeter-kelvin/
IEEE
Scientific Converters, "Convert BTU/(h·ft·°F) to Watts per Centimetre Kelvin," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/thermal-conductivity/btu-per-hour-foot-fahrenheit-to-watts-per-centimeter-kelvin/