BTU inch per hour square foot degree Fahrenheit to Watt per meter kelvin Converter
1 BTU inch per hour square foot degree Fahrenheit is about 0.1442278889 watts per meter kelvin. Convert BTU inches per hour square foot degree Fahrenheit (BTU·in/(h·ft²·°F)) to watts per meter kelvin (W/(m·K)) below: type a value and the result updates as you type.
BTU·in/(h·ft²·°F) to W/(m·K) calculator
Result
BTU inch per hour square foot degree Fahrenheit to Watt per meter kelvin conversion
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
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
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").
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.
Source:BTU inch per hour square foot degree Fahrenheit: NIST Special Publication 811 (2008), Appendix B.8; Watt per meter kelvin: SI Brochure, 9th edition (BIPM, 2019)
How to 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.
Formula
W/(m·K) = BTU·in/(h·ft²·°F) × 0.1442278889
The factor is rounded here. The calculator uses the exact value.
Examples
- 5 BTU·in/(h·ft²·°F) = 5 × 0.1442278889 ≈ 0.7211394443 W/(m·K)
- 25 BTU·in/(h·ft²·°F) = 25 × 0.1442278889 ≈ 3.605697222 W/(m·K)
- 100 BTU·in/(h·ft²·°F) = 100 × 0.1442278889 ≈ 14.42278889 W/(m·K)
BTU inch per hour square foot degree Fahrenheit to Watt per meter kelvin conversion table
| BTU inch per hour square foot degree Fahrenheit (BTU·in/(h·ft²·°F)) | Watt per meter kelvin (W/(m·K)) |
|---|---|
| 0.1 BTU·in/(h·ft²·°F) | 0.01442278889 W/(m·K) |
| 0.5 BTU·in/(h·ft²·°F) | 0.07211394443 W/(m·K) |
| 1 BTU·in/(h·ft²·°F) | 0.1442278889 W/(m·K) |
| 2 BTU·in/(h·ft²·°F) | 0.2884557777 W/(m·K) |
| 3 BTU·in/(h·ft²·°F) | 0.4326836666 W/(m·K) |
| 5 BTU·in/(h·ft²·°F) | 0.7211394443 W/(m·K) |
| 10 BTU·in/(h·ft²·°F) | 1.442278889 W/(m·K) |
| 20 BTU·in/(h·ft²·°F) | 2.884557777 W/(m·K) |
| 25 BTU·in/(h·ft²·°F) | 3.605697222 W/(m·K) |
| 50 BTU·in/(h·ft²·°F) | 7.211394443 W/(m·K) |
| 100 BTU·in/(h·ft²·°F) | 14.42278889 W/(m·K) |
| 250 BTU·in/(h·ft²·°F) | 36.05697222 W/(m·K) |
| 500 BTU·in/(h·ft²·°F) | 72.11394443 W/(m·K) |
| 1000 BTU·in/(h·ft²·°F) | 144.2278889 W/(m·K) |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many watts per meter kelvin are in one BTU inch per hour square foot degree Fahrenheit?
- One BTU inch per hour square foot degree Fahrenheit is about 0.1442278889 watts per meter kelvin.
- How do I 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. The formula is BTU·in/(h·ft²·°F) = W/(m·K) × 6.933471799.
- 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 BTU inch per hour square foot degree Fahrenheit or a watt per meter kelvin?
- 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.