Convert Watts per Centimetre Kelvin to BTU·in/(h·ft²·°F)
1 watt per centimetre kelvin (W/(cm·K)) = 693.3471799 BTU inch per hour square foot degree Fahrenheit (BTU·in/(h·ft²·°F)). 1 BTU·in/(h·ft²·°F) = 0.001442278889 W/(cm·K). Example: 15 W/(cm·K) = 15 × 693.3471799 = 10400.2077 BTU·in/(h·ft²·°F).
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1 W/(cm·K) = 693.3471799 BTU·in/(h·ft²·°F)
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk watt per centimetre kelvin to BTU inch per hour square foot degree Fahrenheit converter to paste a column from Excel.
How to Convert Watt per Centimetre Kelvin to BTU·in/(h·ft²·°F)
- 1 W/(cm·K) = 693.3471799 BTU·in/(h·ft²·°F)
- 1 BTU·in/(h·ft²·°F) = 0.001442278889 W/(cm·K)
- Example: convert 15 W/(cm·K) to BTU·in/(h·ft²·°F): 15 W/(cm·K) = 15 × 693.3471799 BTU·in/(h·ft²·°F) = 10400.2077 BTU·in/(h·ft²·°F)
Formula
BTU·in/(h·ft²·°F) = W/(cm·K) × 693.3471798516
Derivation from SI units:
- 1 W/(cm·K) = 100 W/(m·K)
- 1 BTU_IT·in/(h·ft²·°F) = 1055.05585262 J × 0.0254 m ÷ (3600 s × 0.09290304 m² × 5/9 K) = 0.1442278889 W/(m·K) (exact)
- 1 W/(cm·K) = 100 W/(m·K) ÷ 0.1442278888643 W/(m·K) per BTU·in/(h·ft²·°F) = 693.3471798516 BTU·in/(h·ft²·°F)
Both units are defined exactly, so the factor is exact. Watt per Centimetre Kelvin definition: watt per centimetre kelvin; BTU·in/(h·ft²·°F) definition: BTU inch per hour square foot degree Fahrenheit.
Worked examples
- A reading of 1 W/(cm·K) converts to 693.3471799 BTU·in/(h·ft²·°F).
1 W/(cm·K) × 693.3471799 = 693.3471799 BTU·in/(h·ft²·°F) - A value of 2.37 W/(cm·K) is 1643.232816 BTU·in/(h·ft²·°F).
2.37 W/(cm·K) × 693.3471799 = 1643.232816 BTU·in/(h·ft²·°F)
Watt per Centimetre Kelvin to BTU·in/(h·ft²·°F) conversion table
| Watts per Centimetre Kelvin (W/(cm·K)) | BTU·in/(h·ft²·°F) |
|---|---|
| 0.01 W/(cm·K) | 6.933471799 BTU·in/(h·ft²·°F) |
| 0.1 W/(cm·K) | 69.33471799 BTU·in/(h·ft²·°F) |
| 0.5 W/(cm·K) | 346.6735899 BTU·in/(h·ft²·°F) |
| 1 W/(cm·K) | 693.3471799 BTU·in/(h·ft²·°F) |
| 1.5 W/(cm·K) | 1040.02077 BTU·in/(h·ft²·°F) |
| 2 W/(cm·K) | 1386.69436 BTU·in/(h·ft²·°F) |
| 2.37 W/(cm·K) | 1643.232816 BTU·in/(h·ft²·°F) |
| 4 W/(cm·K) | 2773.388719 BTU·in/(h·ft²·°F) |
| 4.01 W/(cm·K) | 2780.322191 BTU·in/(h·ft²·°F) |
| 20 W/(cm·K) | 13866.9436 BTU·in/(h·ft²·°F) |
Where it's used
Watts per Centimetre Kelvin are used for semiconductor and electronics materials, while BTU inch per hour square foot degree Fahrenheit appear in US insulation k-values (ASTM C177, C518). Both measure thermal conductivity (k, λ), so the conversion is a fixed factor.
Watt per Centimetre Kelvin to other thermal conductivity units
| Conversion | 1 W/(cm·K) equals |
|---|---|
| watt per centimetre kelvin to BTU inch per hour square foot degree Fahrenheit | 693.3471799 BTU·in/(h·ft²·°F) |
| watt per centimetre kelvin to watt per metre kelvin | 100 W/(m·K) |
| watt per centimetre kelvin to BTU per hour foot degree Fahrenheit | 57.77893165 BTU/(h·ft·°F) |
| watt per centimetre kelvin to milliwatt per metre kelvin | 100000 mW/(m·K) |
| watt per centimetre kelvin to kilocalorie per hour metre degree Celsius | 85.98452279 kcal/(h·m·°C) |
| watt per centimetre kelvin to calorie per second centimetre degree Celsius | 0.2390057361 cal/(s·cm·°C) |
Frequently asked questions
How many BTU inch per hour square foot degree Fahrenheit are in 1 watt per centimetre kelvin?
1 W/(cm·K) = 693.3471799 BTU·in/(h·ft²·°F).
How do I convert watts per centimetre kelvin to BTU inch per hour square foot degree Fahrenheit?
Multiply the value in W/(cm·K) by 693.3471799. For example, 15 W/(cm·K) × 693.3471799 = 10400.2077 BTU·in/(h·ft²·°F).
Is the W/(cm·K) to BTU·in/(h·ft²·°F) 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
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 4, coherent derived units with special names.
- 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 inch per hour square foot degree Fahrenheit [Btu_IT · in/(h · ft² · °F)]".
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 Watts per Centimetre Kelvin to BTU·in/(h·ft²·°F). Retrieved October 25, 2026, from https://scientificconverters.com/thermal-conductivity/watts-per-centimeter-kelvin-to-btu-inch-per-hour-square-foot-fahrenheit/
IEEE
Scientific Converters, "Convert Watts per Centimetre Kelvin to BTU·in/(h·ft²·°F)," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/thermal-conductivity/watts-per-centimeter-kelvin-to-btu-inch-per-hour-square-foot-fahrenheit/