THERMAL
Heat transfer coefficient
Surface heat-transfer and U-value units.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result5.67826 W/(m²·K)1 BtuIT/(h·ft²·°F) = 5.67826 W/(m²·K)
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BtuIT/(h·ft²·°F) to W/(m²·K) Converter
Convert Btu per hour square foot degree Fahrenheit (BtuIT/(h·ft²·°F)) to watt per square metre kelvin (W/(m²·K)). Enter a value for an instant result, or use the examples and reverse conversion below.
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HOW IT IS CALCULATED
Convert through watt per square metre kelvin
Enter a Btu per hour square foot degree Fahrenheit value to calculate watt per square metre kelvin with full internal precision before display rounding.
Display PrecisionAuto · 6 significant digits
Auto trims unnecessary zeroes and uses scientific notation for extreme magnitudes. Use Digits to set the display precision; calculations retain full precision.
QUICK REFERENCE
All units in this quantity
| Unit | Symbol | Converted value |
|---|---|---|
| watt per square metre kelvinfrom BtuIT/(h·ft²·°F) | W/(m²·K) | 5.67826 |
| kilowatt per square metre kelvinfrom BtuIT/(h·ft²·°F) | kW/(m²·K) | 0.00567826 |
| Btu per hour square foot degree Fahrenheitfrom BtuIT/(h·ft²·°F) | BtuIT/(h·ft²·°F) | 1 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
BtuIT/(h·ft²·°F) to W/(m²·K) Conversion Reference
Btu Per Hour Square Foot Degree Fahrenheit (BtuIT/(h·ft²·°F)) and watt per square metre kelvin (W/(m²·K)) are units of heat transfer coefficient. Use this page to convert in either direction.
Conversion Examples
| Btu Per Hour Square Foot Degree Fahrenheit (BtuIT/(h·ft²·°F)) | Watt Per Square Metre Kelvin (W/(m²·K)) |
|---|---|
| 1 BtuIT/(h·ft²·°F) | 5.67826 W/(m²·K) |
| 5 BtuIT/(h·ft²·°F) | 28.3913 W/(m²·K) |
| 10 BtuIT/(h·ft²·°F) | 56.7826 W/(m²·K) |
| 100 BtuIT/(h·ft²·°F) | 567.826 W/(m²·K) |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.