Watts per Square Meter-Kelvin to BTUs per Hour-Sq. Foot-°F Converter
Enter the heat transfer coefficient in watts per square meter-kelvin below to convert it to btus per hour-sq. foot-°f.
Convert Watts per Square Meter-Kelvin to BTUs per Hour-Sq. Foot-°F
Enter a value in watts per square meter-kelvin (W/(m²·K)) to convert to btus per hour-sq. foot-°f (BTU/(h·ft²·°F)).
Watt per Square Meter-Kelvin to BTU per Hour-Sq. Foot-°F Conversion Table
Table showing various watt per square meter-kelvin measurements converted to btus per hour-sq. foot-°f. Click any preset value or arrow to load it into the converter.
| Watts per Square Meter-Kelvin (W/(m²·K)) | BTUs per Hour-Sq. Foot-°F (BTU/(h·ft²·°F)) |
|---|---|
| 1 W/(m²·K) | 0.1761102 BTU/(h·ft²·°F) |
| 2 W/(m²·K) | 0.3522204 BTU/(h·ft²·°F) |
| 5 W/(m²·K) | 0.8805509 BTU/(h·ft²·°F) |
| 10 W/(m²·K) | 1.7611018 BTU/(h·ft²·°F) |
| 15 W/(m²·K) | 2.6416528 BTU/(h·ft²·°F) |
| 20 W/(m²·K) | 3.5222037 BTU/(h·ft²·°F) |
| 25 W/(m²·K) | 4.4027546 BTU/(h·ft²·°F) |
| 30 W/(m²·K) | 5.2833055 BTU/(h·ft²·°F) |
| 50 W/(m²·K) | 8.8055092 BTU/(h·ft²·°F) |
| 75 W/(m²·K) | 13.2082638 BTU/(h·ft²·°F) |
How to Convert Watts per Square Meter-Kelvin to BTUs per Hour-Sq. Foot-°F
To convert watts per square meter-kelvin to btus per hour-sq. foot-°f, multiply the heat transfer coefficient by the following conversion ratio: 0.1761102 btus per hour-sq. foot-°f/watt per square meter-kelvin.
Since one watt per square meter-kelvin is equal to 0.1761102 btus per hour-sq. foot-°f, you can use this simple formula to convert:
The heat transfer coefficient in btus per hour-sq. foot-°f is equal to the heat transfer coefficient in watts per square meter-kelvin multiplied by 0.1761102.
For example, here's how to convert 10 watts per square meter-kelvin to btus per hour-sq. foot-°f using the formula above.
How Many BTUs per Hour-Sq. Foot-°F Are in a Watt per Square Meter-Kelvin?
There are 0.1761102 btus per hour-sq. foot-°f in a watt per square meter-kelvin, which is why we use this value in the formula above.
Our watt per square meter-kelvin to btu per hour-sq. foot-°f calculator automatically converts your heat transfer coefficient measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Watts per Square Meter-Kelvin and btus per hour-sq. foot-°f are both units used to measure heat transfer coefficient. Keep reading to learn more about each unit.
What Is a Watt per Square Meter-Kelvin?
SI unit of heat transfer coefficient and window U-value. It serves as a primary reference unit for measuring heat transfer coefficient across scientific and practical applications. [1]
The watt per square meter-kelvin is classified as an International System of Units (SI) unit of heat transfer coefficient. Watts per Square Meter-Kelvin can be abbreviated as W/(m²·K); for example, 1 watt per square meter-kelvin can be written as 1 W/(m²·K).
As the primary coherent reference unit for heat transfer coefficient in this category, all other heat transfer coefficient units are mathematically anchored to the watt per square meter-kelvin (W/(m²·K)).
In practice, watts per square meter-kelvin (W/(m²·K)) are widely used across standard heat transfer coefficient applications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.
What Is a BTU per Hour-Sq. Foot-°F?
A btu per hour-sq. foot-°f is a unit of heat transfer coefficient equal to 5.6782633 watts per square meter-kelvin (W/(m²·K)), the base unit for heat transfer coefficient. US fenestration U-factor and heat exchanger coefficient (≈ 5.6783 W/(m²·K)). [2]
The btu per hour-sq. foot-°f is classified as a US customary unit of heat transfer coefficient. BTUs per Hour-Sq. Foot-°F can be abbreviated as BTU/(h·ft²·°F); for example, 1 btu per hour-sq. foot-°f can be written as 1 BTU/(h·ft²·°F).
When working with btus per hour-sq. foot-°f (BTU/(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, btus per hour-sq. foot-°f (BTU/(h·ft²·°F)) are widely used across standard heat transfer coefficient applications within US customary workflows, engineering documentation, and technical data sheets.
When converting heat transfer coefficient between watts per square meter-kelvin (W/(m²·K)) and btus per hour-sq. foot-°f (BTU/(h·ft²·°F)), keep full floating-point precision (1 W/(m²·K) = 0.1761102 BTU/(h·ft²·°F); 1 BTU/(h·ft²·°F) = 5.6782633 W/(m²·K)) during intermediate calculations and round only the final btu per hour-sq. foot-°f figure to match your instrument tolerance.
More Watt per Square Meter-Kelvin & BTU per Hour-Sq. Foot-°F Conversions
Need to calculate in the opposite direction? Use our btus per hour-sq. foot-°f to watts per square meter-kelvin converter (BTU/(h·ft²·°F) to W/(m²·K)) to switch your starting unit immediately. You can also explore related tools such as converting watts per square meter-kelvin to watts per square meter-°c, converting watts per square meter-kelvin to kilowatts per square meter-kelvin, or converting watts per square meter-°c to watts per square meter-kelvin.
Convert from Watts per Square Meter-Kelvin
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Length)·Heat Transfer Coefficient Metrology Standard — Watts per Square Meter-Kelvin (W/(m²·K)) to BTUs per Hour-Sq. Foot-°F (BTU/(h·ft²·°F))
- [2]BIPM SpecificationBIPM (SI Base Unit: Metre (m))·Unit Specifications: Watt per Square Meter-Kelvin (W/(m²·K)) & BTU per Hour-Sq. Foot-°F (BTU/(h·ft²·°F))
- [3]NIST HB 133 ReferenceNIST HB 133 (NIST Handbook 133 (2019 Ed.))·Conversion Factors & Mathematical Basis (W/(m²·K) to BTU/(h·ft²·°F))