4 BTU/Hour-Foot-°F to Watt/Meter-Kelvin
Quick answer
4 BTU/Hour-Foot-°F (BTU/(h·ft·°F)) equals
6.922939 W/(m·K)
To convert 4 BTU/Hour-Foot-°Fs to Watt/Meter-Kelvins, multiply by 1.730734666. Therefore, 4 BTU/Hour-Foot-°F (BTU/(h·ft·°F)) equals 6.922939 Watt/Meter-Kelvin (W/(m·K)).
Formula: W/(m·K) = BTU/(h·ft·°F) × 1.730734666. Calculation: 4 × 1.730734666 = 6.922939 W/(m·K).
Convert BTU/Hour-Foot-°F (BTU/(h·ft·°F)) to Watt/Meter-Kelvin (W/(m·K)) online with our free unit converter. In thermal conductivity, 1 BTU/(h·ft·°F) = 1.730735 W/(m·K). Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting BTU/Hour-Foot-°F to Watt/Meter-Kelvin
- Step 1 — start with the formula. W/(m·K) = BTU/(h·ft·°F) × 1.730734666
- Step 2 — substitute your figure. 4 BTU/(h·ft·°F) × 1.730734666
- Step 3 — read the result. 4 BTU/(h·ft·°F) = 6.922939 W/(m·K)
- Step 4 — check it in reverse. BTU/(h·ft·°F) = W/(m·K) × 0.5777893167 returns 4 BTU/(h·ft·°F), which matches the figure you started with.
Thermal Conductivity Converter
7 units available
4 BTU/(h·ft·°F) = 6.922939 W/(m·K)
Formula:
W/(m·K) = BTU/(h·ft·°F) × 1.730734666With your value: 4 BTU/(h·ft·°F) = 6.92293866 W/(m·K)
Other BTU/Hour-Foot-°F to Watt/Meter-Kelvin conversions
BTU/Hour-Foot-°F to Watt/Meter-Kelvin Conversion Table
| BTU/Hour-Foot-°F (BTU/(h·ft·°F)) | Watt/Meter-Kelvin (W/(m·K)) |
|---|---|
| 0.5 | 0.865367 |
| 1 | 1.730735 |
| 2 | 3.461469 |
| 5 | 8.653673 |
| 10 | 17.307347 |
| 15 | 25.96102 |
| 20 | 34.614693 |
| 25 | 43.268367 |
| 50 | 86.536733 |
| 100 | 173.073467 |
| 250 | 432.683667 |
| 500 | 865.367333 |
| 1000 | 1,730.734666 |
Watt/Meter-Kelvin to BTU/Hour-Foot-°F Conversion Table
| Watt/Meter-Kelvin (W/(m·K)) | BTU/Hour-Foot-°F (BTU/(h·ft·°F)) |
|---|---|
| 0.5 | 0.288895 |
| 1 | 0.577789 |
| 2 | 1.155579 |
| 5 | 2.888947 |
| 10 | 5.777893 |
| 15 | 8.66684 |
| 20 | 11.555786 |
| 25 | 14.444733 |
| 50 | 28.889466 |
| 100 | 57.778932 |
| 250 | 144.447329 |
| 500 | 288.894658 |
| 1000 | 577.789317 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
BTU/Hour-Foot-°F (BTU/(h·ft·°F))
Thermal Conductivity
Derived quantity, watt per metre-kelvin (W/(m·K)). Imperial and calorie-based units convert exactly via the thermochemical calorie and the international BTU.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Watt/Meter-Kelvin (W/(m·K))
Thermal Conductivity
Derived quantity, watt per metre-kelvin (W/(m·K)). Imperial and calorie-based units convert exactly via the thermochemical calorie and the international BTU.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert BTU/Hour-Foot-°F to Watt/Meter-Kelvin
To convert from BTU/Hour-Foot-°F (BTU/(h·ft·°F)) to Watt/Meter-Kelvin (W/(m·K)), multiply the value by 1.730734666.
Formula: W/(m·K) = BTU/(h·ft·°F) × 1.730734666
Reverse: BTU/(h·ft·°F) = W/(m·K) × 0.5777893167
Step-by-Step Example
- Start with your value in BTU/Hour-Foot-°F. For example: 5 BTU/(h·ft·°F)
- Multiply by the conversion factor: 5 x 1.730734666
- The result is: 8.653673 W/(m·K)
BTU/Hour-Foot-°F and Watt/Meter-Kelvin Relationship
This conversion bridges the US Customary / Imperial and Metric (SI) measurement systems, commonly required when translating scientific data, international engineering specifications, or trade standards. Since 1 BTU/Hour-Foot-°F equals approximately 1.7307 Watt/Meter-Kelvins, the BTU/Hour-Foot-°F represents a larger unit interval than the Watt/Meter-Kelvin. Understanding the relationship between BTU/Hour-Foot-°F and Watt/Meter-Kelvin is essential for accurate calculations in physics, engineering, commerce, and daily applications.
About BTU/Hour-Foot-°F
The BTU/Hour-Foot-°F (symbol: BTU/(h·ft·°F)) is a recognized unit in the US Customary / Imperial measurement framework, utilized within thermal conductivity applications for precision and standardized data representation.
Common uses of BTU/Hour-Foot-°F: thermal conductivity calculations, engineering and science, education.
About Watt/Meter-Kelvin
The Watt/Meter-Kelvin (symbol: W/(m·K)) is a recognized unit in the Metric (SI) measurement framework, utilized within thermal conductivity applications for precision and standardized data representation.
Common uses of Watt/Meter-Kelvin: thermal conductivity calculations, engineering and science, education.
Frequently Asked Questions
- What is 4 BTU/Hour-Foot-°F in Watt/Meter-Kelvin?
- 4 BTU/Hour-Foot-°F equals 6.922939 Watt/Meter-Kelvin.
- How many Watt/Meter-Kelvins are in 1 BTU/Hour-Foot-°F?
- There are exactly 1.730734666 Watt/Meter-Kelvins in 1 BTU/Hour-Foot-°F. This means the conversion factor from BTU/Hour-Foot-°F to Watt/Meter-Kelvin is 1.730734666.
- What is the formula to convert BTU/Hour-Foot-°F to Watt/Meter-Kelvin?
- The formula to convert BTU/Hour-Foot-°F to Watt/Meter-Kelvin is: W/(m·K) = BTU/(h·ft·°F) × 1.730734666. For example, to convert 10 BTU/Hour-Foot-°Fs to Watt/Meter-Kelvins, you would multiply 10 by 1.730734666.
- What is a BTU/Hour-Foot-°F?
- The BTU/Hour-Foot-°F (symbol: BTU/(h·ft·°F)) is a recognized unit in the US Customary / Imperial measurement framework, utilized within thermal conductivity applications for precision and standardized data representation.
- What is a Watt/Meter-Kelvin?
- The Watt/Meter-Kelvin (symbol: W/(m·K)) is a recognized unit in the Metric (SI) measurement framework, utilized within thermal conductivity applications for precision and standardized data representation.
- What are the common uses of BTU/Hour-Foot-°F?
- The BTU/Hour-Foot-°F is commonly used in thermal conductivity calculations, engineering and science, education.
Related Thermal Conductivity Conversions
Cite this page
UnitConvertLab. (2026). 4 BTU/Hour-Foot-°F to Watt/Meter-Kelvin. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/4-btu_per_h_ft_f-to-watt_per_meter_k