Heat Transfer Coefficient Converter
Enter a value below to convert between metric, imperial, and standard heat transfer coefficient units.
Convert Heat Transfer Coefficient
Enter a value and select the units to convert between watts per square meter-kelvin, watts per square meter-°c, and kilowatts per square meter-kelvin.
You can change the units using the dropdowns above or click on a unit button.
Common Heat Transfer Coefficient Reference Points
Here are some common heat transfer coefficient values in Watt per Square Meter-Kelvin (W/(m²·K)), Watt per Square Meter-°C (W/(m²·°C)), and Kilowatt per Square Meter-Kelvin (kW/(m²·K)). Click any preset value or arrow to load it into the converter.
| Description | Watt per Square Meter-Kelvin (W/(m²·K)) | Watt per Square Meter-°C (W/(m²·°C)) | Kilowatt per Square Meter-Kelvin (kW/(m²·K)) |
|---|---|---|---|
| 1 watt per square meter-kelvin unit | 1 | 1 | 0.001 |
| 5 watts per square meter-kelvin | 5 | 5 | 0.005 |
| 10 watts per square meter-kelvin benchmark | 10 | 10 | 0.01 |
| 25 watts per square meter-kelvin | 25 | 25 | 0.025 |
| 50 watts per square meter-kelvin | 50 | 50 | 0.05 |
| 100 watts per square meter-kelvin reference | 100 | 100 | 0.1 |
Heat Transfer Coefficient Conversion Formulas
Use the following formulas to convert between watts per square meter-kelvin, watts per square meter-°c, and kilowatts per square meter-kelvin.
All heat transfer coefficient conversions are anchored to the international SI base unit (Watt per Square Meter-Kelvin) for full scientific and engineering accuracy.
More Watt per Square Meter-Kelvin & Watt per Square Meter-°C Conversions
Convert from Watts per Square Meter-Kelvin
Frequently Asked Questions
All Heat Transfer Coefficient Conversion Calculators (6)
Select any dedicated heat transfer coefficient pair below for worked examples and printable tables
Category Conversion Matrix
Simultaneous comparison of 5 units in this category
Heat Transfer Coefficient Unit Definitions & Symbols
Watt per Square Meter-Kelvin (W/(m²·K))
SISI unit of heat transfer coefficient and window U-value.
Watt per Square Meter-°C (W/(m²·°C))
METRICEqual to 1 W/(m²·K).
Kilowatt per Square Meter-Kelvin (kW/(m²·K))
METRICEqual to 1,000 W/(m²·K).
BTU per Hour-Sq. Foot-°F (BTU/(h·ft²·°F))
US CUSTOMARYUS fenestration U-factor and heat exchanger coefficient (≈ 5.6783 W/(m²·K)).
Calorie per Second-Sq. cm-°C (cal/(s·cm²·°C))
METRICCGS heat transfer coefficient equal to 41,840 W/(m²·K).
References
- [1]NIST HB 133 StandardNIST (NIST HB 133 / SP 811)·Checking the Net Contents of Packaged Goods, Handbook 133 - 2019 Edition & NIST SP 811
- [2]BIPM SI BrochureBIPM (BIPM SI-9)·The International System of Units (SI Brochure, 9th Edition)
- [3]NIST SP 811 Appendix B.9NIST SP 811 (NIST SP 811 App. B.9)·NIST Guide to the SI, Appendix B.9: Factors for Units Listed by Kind of Quantity or Field of Science