Convert Watts per Square Centimetre Kelvin to BTU/(h·ft²·°F)
1 watt per square centimetre kelvin (W/(cm²·K)) = 1761.101837 BTU per hour square foot degree Fahrenheit (BTU/(h·ft²·°F)). 1 BTU/(h·ft²·°F) = 0.0005678263341 W/(cm²·K). Example: 15 W/(cm²·K) = 15 × 1761.101837 = 26416.52755 BTU/(h·ft²·°F).
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1 W/(cm²·K) = 1761.101837 BTU/(h·ft²·°F)
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk watt per square centimetre kelvin to BTU per hour square foot degree Fahrenheit converter to paste a column from Excel.
How to Convert Watt per Square Centimetre Kelvin to BTU/(h·ft²·°F)
- 1 W/(cm²·K) = 1761.101837 BTU/(h·ft²·°F)
- 1 BTU/(h·ft²·°F) = 0.0005678263341 W/(cm²·K)
- Example: convert 15 W/(cm²·K) to BTU/(h·ft²·°F): 15 W/(cm²·K) = 15 × 1761.101837 BTU/(h·ft²·°F) = 26416.52755 BTU/(h·ft²·°F)
Formula
BTU/(h·ft²·°F) = W/(cm²·K) × 1761.101836823
Derivation from SI units:
- 1 W/(cm²·K) = 10 000 W/(m²·K)
- 1 BTU_IT/(h·ft²·°F) = 1055.05585262 J ÷ (3600 s × 0.09290304 m² × 5/9 K) = 5.678263341 W/(m²·K) (exact)
- 1 W/(cm²·K) = 10000 W/(m²·K) ÷ 5.678263341113 W/(m²·K) per BTU/(h·ft²·°F) = 1761.101836823 BTU/(h·ft²·°F)
Both units are defined exactly, so the factor is exact. Watt per Square Centimetre Kelvin definition: watt per square centimetre kelvin; BTU/(h·ft²·°F) definition: BTU per hour square foot degree Fahrenheit.
Worked examples
- A reading of 0.1 W/(cm²·K) converts to 176.1101837 BTU/(h·ft²·°F).
0.1 W/(cm²·K) × 1761.101837 = 176.1101837 BTU/(h·ft²·°F) - A value of 2 W/(cm²·K) is 3522.203674 BTU/(h·ft²·°F).
2 W/(cm²·K) × 1761.101837 = 3522.203674 BTU/(h·ft²·°F)
Watt per Square Centimetre Kelvin to BTU/(h·ft²·°F) conversion table
| Watts per Square Centimetre Kelvin (W/(cm²·K)) | BTU/(h·ft²·°F) |
|---|---|
| 0.001 W/(cm²·K) | 1.761101837 BTU/(h·ft²·°F) |
| 0.01 W/(cm²·K) | 17.61101837 BTU/(h·ft²·°F) |
| 0.05 W/(cm²·K) | 88.05509184 BTU/(h·ft²·°F) |
| 0.1 W/(cm²·K) | 176.1101837 BTU/(h·ft²·°F) |
| 0.5 W/(cm²·K) | 880.5509184 BTU/(h·ft²·°F) |
| 1 W/(cm²·K) | 1761.101837 BTU/(h·ft²·°F) |
| 2 W/(cm²·K) | 3522.203674 BTU/(h·ft²·°F) |
| 5 W/(cm²·K) | 8805.509184 BTU/(h·ft²·°F) |
| 10 W/(cm²·K) | 17611.01837 BTU/(h·ft²·°F) |
| 50 W/(cm²·K) | 88055.09184 BTU/(h·ft²·°F) |
Where it's used
Watts per Square Centimetre Kelvin are used for electronics and microchannel cooling, while BTU per hour square foot degree Fahrenheit appear in US window and building U-factors (NFRC, ASHRAE). Both measure heat transfer coefficient (h) and thermal transmittance (U-value), so the conversion is a fixed factor.
Watt per Square Centimetre Kelvin to other heat transfer coefficient units
| Conversion | 1 W/(cm²·K) equals |
|---|---|
| watt per square centimetre kelvin to BTU per hour square foot degree Fahrenheit | 1761.101837 BTU/(h·ft²·°F) |
| watt per square centimetre kelvin to watt per square metre kelvin | 10000 W/(m²·K) |
| watt per square centimetre kelvin to kilowatt per square metre kelvin | 10 kW/(m²·K) |
| watt per square centimetre kelvin to kilocalorie per hour square metre degree Celsius | 8598.452279 kcal/(h·m²·°C) |
| watt per square centimetre kelvin to calorie per second square centimetre degree Celsius | 0.2390057361 cal/(s·cm²·°C) |
Frequently asked questions
How many BTU per hour square foot degree Fahrenheit are in 1 watt per square centimetre kelvin?
1 W/(cm²·K) = 1761.101837 BTU/(h·ft²·°F).
How do I convert watts per square centimetre kelvin to BTU per hour square foot degree Fahrenheit?
Multiply the value in W/(cm²·K) by 1761.101837. For example, 15 W/(cm²·K) × 1761.101837 = 26416.52755 BTU/(h·ft²·°F).
Is the W/(cm²·K) to BTU/(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 per hour square foot degree Fahrenheit [Btu_IT/(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 Square Centimetre Kelvin to BTU/(h·ft²·°F). Retrieved October 25, 2026, from https://scientificconverters.com/heat-transfer-coefficient/watts-per-square-centimeter-kelvin-to-btu-per-hour-square-foot-fahrenheit/
IEEE
Scientific Converters, "Convert Watts per Square Centimetre Kelvin to BTU/(h·ft²·°F)," scientificconverters.com. Accessed: Oct. 25, 2026. [Online]. Available: https://scientificconverters.com/heat-transfer-coefficient/watts-per-square-centimeter-kelvin-to-btu-per-hour-square-foot-fahrenheit/