Watt per meter kelvin to BTU inch per hour square foot degree Fahrenheit Converter
1 watt per meter kelvin is about 6.933471799 BTU inches per hour square foot degree Fahrenheit. Convert watts per meter kelvin (W/(m·K)) to BTU inches per hour square foot degree Fahrenheit (BTU·in/(h·ft²·°F)) below: type a value and the result updates as you type.
W/(m·K) to BTU·in/(h·ft²·°F) calculator
Result
Watt per meter kelvin to BTU inch per hour square foot degree Fahrenheit conversion
1 W/(m·K) ≈ 6.933471799 BTU·in/(h·ft²·°F)one watt per meter kelvin in BTU inches per hour square foot degree Fahrenheit
1 BTU·in/(h·ft²·°F) ≈ 0.1442278889 W/(m·K)one BTU inch per hour square foot degree Fahrenheit in watts per meter kelvin
Watt per meter kelvin (W/(m·K)): SI unit of thermal conductivity: heat flow in watts through a one-meter-thick layer per square meter and per kelvin.
BTU inch per hour square foot degree Fahrenheit (BTU·in/(h·ft²·°F)): US unit of thermal conductivity used for insulation materials (the "k-value").
Source:Watt per meter kelvin: SI Brochure, 9th edition (BIPM, 2019); BTU inch per hour square foot degree Fahrenheit: NIST Special Publication 811 (2008), Appendix B.8
How to convert watts per meter kelvin to BTU inches per hour square foot degree Fahrenheit
To convert watts per meter kelvin to BTU inches per hour square foot degree Fahrenheit, multiply the number of watts per meter kelvin by about 6.933471799.
Formula
BTU·in/(h·ft²·°F) = W/(m·K) × 6.933471799
The factor is rounded here. The calculator uses the exact value.
Examples
- 5 W/(m·K) = 5 × 6.933471799 ≈ 34.66735899 BTU·in/(h·ft²·°F)
- 25 W/(m·K) = 25 × 6.933471799 ≈ 173.336795 BTU·in/(h·ft²·°F)
- 100 W/(m·K) = 100 × 6.933471799 ≈ 693.3471799 BTU·in/(h·ft²·°F)
Watt per meter kelvin to BTU inch per hour square foot degree Fahrenheit conversion table
| Watt per meter kelvin (W/(m·K)) | BTU inch per hour square foot degree Fahrenheit (BTU·in/(h·ft²·°F)) |
|---|---|
| 0.1 W/(m·K) | 0.6933471799 BTU·in/(h·ft²·°F) |
| 0.5 W/(m·K) | 3.466735899 BTU·in/(h·ft²·°F) |
| 1 W/(m·K) | 6.933471799 BTU·in/(h·ft²·°F) |
| 2 W/(m·K) | 13.8669436 BTU·in/(h·ft²·°F) |
| 3 W/(m·K) | 20.8004154 BTU·in/(h·ft²·°F) |
| 5 W/(m·K) | 34.66735899 BTU·in/(h·ft²·°F) |
| 10 W/(m·K) | 69.33471799 BTU·in/(h·ft²·°F) |
| 20 W/(m·K) | 138.669436 BTU·in/(h·ft²·°F) |
| 25 W/(m·K) | 173.336795 BTU·in/(h·ft²·°F) |
| 50 W/(m·K) | 346.6735899 BTU·in/(h·ft²·°F) |
| 100 W/(m·K) | 693.3471799 BTU·in/(h·ft²·°F) |
| 250 W/(m·K) | 1733.36795 BTU·in/(h·ft²·°F) |
| 500 W/(m·K) | 3466.735899 BTU·in/(h·ft²·°F) |
| 1000 W/(m·K) | 6933.471799 BTU·in/(h·ft²·°F) |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many BTU inches per hour square foot degree Fahrenheit are in one watt per meter kelvin?
- One watt per meter kelvin is about 6.933471799 BTU inches per hour square foot degree Fahrenheit.
- How do I convert BTU inches per hour square foot degree Fahrenheit to watts per meter kelvin?
- To convert BTU inches per hour square foot degree Fahrenheit to watts per meter kelvin, multiply the number of BTU inches per hour square foot degree Fahrenheit by about 0.1442278889. The formula is W/(m·K) = BTU·in/(h·ft²·°F) × 0.1442278889.
- Is this conversion exact?
- Yes. Both units have exact definitions, but the factor has more decimal places than can be shown, so displayed results are rounded. The calculator works with 50 significant digits before rounding.
- Which is larger, a watt per meter kelvin or a BTU inch per hour square foot degree Fahrenheit?
- A watt per meter kelvin is about 6.933471799 times larger than a BTU inch per hour square foot degree Fahrenheit. In other words, a BTU inch per hour square foot degree Fahrenheit is about 0.1442278889 of a watt per meter kelvin.