BTUs per Hour-Sq. Foot-°F to Watts per Square Meter-°C Converter
Enter the heat transfer coefficient in btus per hour-sq. foot-°f below to convert it to watts per square meter-°c.
Convert BTUs per Hour-Sq. Foot-°F to Watts per Square Meter-°C
Enter a value in btus per hour-sq. foot-°f (BTU/(h·ft²·°F)) to convert to watts per square meter-°c (W/(m²·°C)).
BTU per Hour-Sq. Foot-°F to Watt per Square Meter-°C Conversion Table
Table showing various btu per hour-sq. foot-°f measurements converted to watts per square meter-°c. Click any preset value or arrow to load it into the converter.
| BTUs per Hour-Sq. Foot-°F (BTU/(h·ft²·°F)) | Watts per Square Meter-°C (W/(m²·°C)) |
|---|---|
| 1 BTU/(h·ft²·°F) | 5.6782633 W/(m²·°C) |
| 2 BTU/(h·ft²·°F) | 11.3565267 W/(m²·°C) |
| 2.5 BTU/(h·ft²·°F) | 14.1956584 W/(m²·°C) |
| 5 BTU/(h·ft²·°F) | 28.3913167 W/(m²·°C) |
| 10 BTU/(h·ft²·°F) | 56.7826334 W/(m²·°C) |
| 15 BTU/(h·ft²·°F) | 85.1739501 W/(m²·°C) |
| 20 BTU/(h·ft²·°F) | 113.5652668 W/(m²·°C) |
| 25 BTU/(h·ft²·°F) | 141.9565835 W/(m²·°C) |
| 30 BTU/(h·ft²·°F) | 170.3479002 W/(m²·°C) |
| 50 BTU/(h·ft²·°F) | 283.913167 W/(m²·°C) |
How to Convert BTUs per Hour-Sq. Foot-°F to Watts per Square Meter-°C
To convert btus per hour-sq. foot-°f to watts per square meter-°c, multiply the heat transfer coefficient by the following conversion ratio: 5.6782633 watts per square meter-°c/btu per hour-sq. foot-°f.
Since one btu per hour-sq. foot-°f is equal to 5.6782633 watts per square meter-°c, you can use this simple formula to convert:
The heat transfer coefficient in watts per square meter-°c is equal to the heat transfer coefficient in btus per hour-sq. foot-°f multiplied by 5.6782633.
For example, here's how to convert 5 btus per hour-sq. foot-°f to watts per square meter-°c using the formula above.
How Many Watts per Square Meter-°C Are in a BTU per Hour-Sq. Foot-°F?
There are 5.6782633 watts per square meter-°c in a btu per hour-sq. foot-°f, which is why we use this value in the formula above.
Our btu per hour-sq. foot-°f to watt per square meter-°c calculator automatically converts your heat transfer coefficient measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
BTUs per Hour-Sq. Foot-°F and watts per square meter-°c are both units used to measure heat transfer coefficient. Keep reading to learn more about each unit.
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)). [1]
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.
What Is a Watt per Square Meter-°C?
A watt per square meter-°c is a unit of heat transfer coefficient equal to 1 watts per square meter-kelvin (W/(m²·K)), the base unit for heat transfer coefficient. Equal to 1 W/(m²·K). [2]
The watt per square meter-°c is classified as a metric and SI-compatible unit of heat transfer coefficient. Watts per Square Meter-°C can be abbreviated as W/(m²·°C); for example, 1 watt per square meter-°c can be written as 1 W/(m²·°C).
When working with watts per square meter-°c (W/(m²·°C)) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, watts per square meter-°c (W/(m²·°C)) are widely used across standard heat transfer coefficient applications within SI metric workflows, engineering documentation, and technical data sheets.
When converting heat transfer coefficient between btus per hour-sq. foot-°f (BTU/(h·ft²·°F)) and watts per square meter-°c (W/(m²·°C)), keep full floating-point precision (1 BTU/(h·ft²·°F) = 5.6782633 W/(m²·°C); 1 W/(m²·°C) = 0.1761102 BTU/(h·ft²·°F)) during intermediate calculations and round only the final watt per square meter-°c figure to match your instrument tolerance.
More BTU per Hour-Sq. Foot-°F & Watt per Square Meter-°C Conversions
Need to calculate in the opposite direction? Use our watts per square meter-°c to btus per hour-sq. foot-°f calculator to switch your starting unit immediately. You can also explore related tools such as converting watts per square meter-°c to btus per hour-sq. foot-°f, converting watts per square meter-kelvin to watts per square meter-°c, or converting btus per hour-sq. foot-°f to watts per square meter-kelvin.
Convert from BTUs per Hour-Sq. Foot-°F
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Length)·Heat Transfer Coefficient Metrology Standard — BTUs per Hour-Sq. Foot-°F (BTU/(h·ft²·°F)) to Watts per Square Meter-°C (W/(m²·°C))
- [2]BIPM SpecificationBIPM (SI Base Unit: Metre (m))·Unit Specifications: BTU per Hour-Sq. Foot-°F (BTU/(h·ft²·°F)) & Watt per Square Meter-°C (W/(m²·°C))
- [3]NIST HB 133 ReferenceNIST HB 133 (NIST Handbook 133 (2019 Ed.))·Conversion Factors & Mathematical Basis (BTU/(h·ft²·°F) to W/(m²·°C))