BTU-Inches per Hour-Sq. Foot-°F to Watts per Meter-Kelvin Converter
Enter the thermal conductivity in btu-inches per hour-sq. foot-°f below to convert it to watts per meter-kelvin.
Convert BTU-Inches per Hour-Sq. Foot-°F to Watts per Meter-Kelvin
Enter a value in btu-inches per hour-sq. foot-°f (BTU·in/(h·ft²·°F)) to convert to watts per meter-kelvin (W/(m·K)).
BTU-Inch per Hour-Sq. Foot-°F to Watt per Meter-Kelvin Conversion Table
Table showing various btu-inch per hour-sq. foot-°f measurements converted to watts per meter-kelvin. Click any preset value or arrow to load it into the converter.
| BTU-Inches per Hour-Sq. Foot-°F (BTU·in/(h·ft²·°F)) | Watts per Meter-Kelvin (W/(m·K)) |
|---|---|
| 1 BTU·in/(h·ft²·°F) | 0.1442279 W/(m·K) |
| 2 BTU·in/(h·ft²·°F) | 0.2884558 W/(m·K) |
| 2.5 BTU·in/(h·ft²·°F) | 0.3605697 W/(m·K) |
| 5 BTU·in/(h·ft²·°F) | 0.7211394 W/(m·K) |
| 10 BTU·in/(h·ft²·°F) | 1.4422789 W/(m·K) |
| 15 BTU·in/(h·ft²·°F) | 2.1634183 W/(m·K) |
| 20 BTU·in/(h·ft²·°F) | 2.8845578 W/(m·K) |
| 25 BTU·in/(h·ft²·°F) | 3.6056972 W/(m·K) |
| 30 BTU·in/(h·ft²·°F) | 4.3268367 W/(m·K) |
| 50 BTU·in/(h·ft²·°F) | 7.2113945 W/(m·K) |
How to Convert BTU-Inches per Hour-Sq. Foot-°F to Watts per Meter-Kelvin
To convert btu-inches per hour-sq. foot-°f to watts per meter-kelvin, multiply the thermal conductivity by the following conversion ratio: 0.1442279 watts per meter-kelvin/btu-inch per hour-sq. foot-°f.
Since one btu-inch per hour-sq. foot-°f is equal to 0.1442279 watts per meter-kelvin, you can use this simple formula to convert:
The thermal conductivity in watts per meter-kelvin is equal to the thermal conductivity in btu-inches per hour-sq. foot-°f multiplied by 0.1442279.
For example, here's how to convert 5 btu-inches per hour-sq. foot-°f to watts per meter-kelvin using the formula above.
How Many Watts per Meter-Kelvin Are in a BTU-Inch per Hour-Sq. Foot-°F?
There are 0.1442279 watts per meter-kelvin in a btu-inch per hour-sq. foot-°f, which is why we use this value in the formula above.
Our btu-inch per hour-sq. foot-°f to watt per meter-kelvin calculator automatically converts your thermal conductivity measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
BTU-Inches per Hour-Sq. Foot-°F and watts per meter-kelvin are both units used to measure thermal conductivity. Keep reading to learn more about each unit.
What Is a BTU-Inch per Hour-Sq. Foot-°F?
A btu-inch per hour-sq. foot-°f is a unit of thermal conductivity equal to 0.1442279 watts per meter-kelvin (W/(m·K)), the base unit for thermal conductivity. US building insulation k-factor unit (≈ 0.1442 W/(m·K)). [1]
The btu-inch per hour-sq. foot-°f is classified as a US customary unit of thermal conductivity. BTU-Inches per Hour-Sq. Foot-°F can be abbreviated as BTU·in/(h·ft²·°F); for example, 1 btu-inch per hour-sq. foot-°f can be written as 1 BTU·in/(h·ft²·°F).
When working with btu-inches per hour-sq. foot-°f (BTU·in/(h·ft²·°F)) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, btu-inches per hour-sq. foot-°f (BTU·in/(h·ft²·°F)) are widely used across standard thermal conductivity applications within US customary workflows, engineering documentation, and technical data sheets.
What Is a Watt per Meter-Kelvin?
Coherent SI unit of thermal conductivity. It serves as a primary reference unit for measuring thermal conductivity across scientific and practical applications. [2]
The watt per meter-kelvin is classified as an International System of Units (SI) unit of thermal conductivity. Watts per Meter-Kelvin can be abbreviated as W/(m·K); for example, 1 watt per meter-kelvin can be written as 1 W/(m·K).
As the primary coherent reference unit for thermal conductivity in this category, all other thermal conductivity units are mathematically anchored to the watt per meter-kelvin (W/(m·K)).
In practice, watts per meter-kelvin (W/(m·K)) are widely used across standard thermal conductivity applications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.
When converting thermal conductivity between btu-inches per hour-sq. foot-°f (BTU·in/(h·ft²·°F)) and watts per meter-kelvin (W/(m·K)), keep full floating-point precision (1 BTU·in/(h·ft²·°F) = 0.1442279 W/(m·K); 1 W/(m·K) = 6.9334718 BTU·in/(h·ft²·°F)) during intermediate calculations and round only the final watt per meter-kelvin figure to match your instrument tolerance.
More BTU-Inch per Hour-Sq. Foot-°F & Watt per Meter-Kelvin Conversions
Need to calculate in the opposite direction? Use our watts per meter-kelvin to btu-inches per hour-sq. foot-°f calculator to switch your starting unit immediately. You can also explore related tools such as converting watts per meter-kelvin to btu-inches per hour-sq. foot-°f, converting watts per centimeter-°c to watts per meter-kelvin, or converting kilowatts per meter-kelvin to watts per meter-kelvin.
Convert from BTU-Inches per Hour-Sq. Foot-°F
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Length)·Thermal Conductivity Metrology Standard — BTU-Inches per Hour-Sq. Foot-°F (BTU·in/(h·ft²·°F)) to Watts per Meter-Kelvin (W/(m·K))
- [2]BIPM SpecificationBIPM (SI Base Unit: Metre (m))·Unit Specifications: BTU-Inch per Hour-Sq. Foot-°F (BTU·in/(h·ft²·°F)) & Watt per Meter-Kelvin (W/(m·K))
- [3]NIST HB 133 ReferenceNIST HB 133 (NIST Handbook 133 (2019 Ed.))·Conversion Factors & Mathematical Basis (BTU·in/(h·ft²·°F) to W/(m·K))