THERMAL
Heat transfer coefficient
Surface heat-transfer and U-value units.
Try a decimal, 1e-9, 1/3, or 5 1/2.
Result0.17611 BtuIT/(h·ft²·°F)1 W/(m²·K) = 0.17611 BtuIT/(h·ft²·°F)
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W/(m²·K) to BtuIT/(h·ft²·°F) Converter
Convert watt per square metre kelvin (W/(m²·K)) to Btu per hour square foot degree Fahrenheit (BtuIT/(h·ft²·°F)). 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 watt per square metre kelvin value to calculate Btu per hour square foot degree Fahrenheit 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 W/(m²·K) | W/(m²·K) | 1 |
| kilowatt per square metre kelvinfrom W/(m²·K) | kW/(m²·K) | 0.001 |
| Btu per hour square foot degree Fahrenheitfrom W/(m²·K) | BtuIT/(h·ft²·°F) | 0.17611 |
SI symbols follow international notation. U.S. and Imperial measures are labelled separately where their values differ.
W/(m²·K) to BtuIT/(h·ft²·°F) Conversion Reference
Watt Per Square Metre Kelvin (W/(m²·K)) and Btu per hour square foot degree Fahrenheit (BtuIT/(h·ft²·°F)) are units of heat transfer coefficient. Use this page to convert in either direction.
Conversion Examples
| Watt Per Square Metre Kelvin (W/(m²·K)) | Btu Per Hour Square Foot Degree Fahrenheit (BtuIT/(h·ft²·°F)) |
|---|---|
| 1 W/(m²·K) | 0.17611 BtuIT/(h·ft²·°F) |
| 5 W/(m²·K) | 0.880551 BtuIT/(h·ft²·°F) |
| 10 W/(m²·K) | 1.7611 BtuIT/(h·ft²·°F) |
| 100 W/(m²·K) | 17.611 BtuIT/(h·ft²·°F) |
Examples are rounded to 6 significant digits. The interactive converter retains full calculation precision; change Display Precision to see more digits.