Thermal Conductivity Converter
Enter a value below to convert between metric, imperial, and standard thermal conductivity units.
Convert Thermal Conductivity
Enter a value and select the units to convert between watts per meter-kelvin, watts per centimeter-°c, and kilowatts per meter-kelvin.
You can change the units using the dropdowns above or click on a unit button.
Common Thermal Conductivity Reference Points
Here are some common thermal conductivity values in Watt per Meter-Kelvin (W/(m·K)), Watt per Centimeter-°C (W/(cm·°C)), and Kilowatt per Meter-Kelvin (kW/(m·K)). Click any preset value or arrow to load it into the converter.
| Description | Watt per Meter-Kelvin (W/(m·K)) | Watt per Centimeter-°C (W/(cm·°C)) | Kilowatt per Meter-Kelvin (kW/(m·K)) |
|---|---|---|---|
| 1 watt per meter-kelvin unit | 1 | 0.01 | 0.001 |
| 5 watts per meter-kelvin | 5 | 0.05 | 0.005 |
| 10 watts per meter-kelvin benchmark | 10 | 0.1 | 0.01 |
| 25 watts per meter-kelvin | 25 | 0.25 | 0.025 |
| 50 watts per meter-kelvin | 50 | 0.5 | 0.05 |
| 100 watts per meter-kelvin reference | 100 | 1 | 0.1 |
Thermal Conductivity Conversion Formulas
Use the following formulas to convert between watts per meter-kelvin, watts per centimeter-°c, and kilowatts per meter-kelvin.
All thermal conductivity conversions are anchored to the international SI base unit (Watt per Meter-Kelvin) for full scientific and engineering accuracy.
More Watt per Meter-Kelvin & Watt per Centimeter-°C Conversions
Convert from Watts per Meter-Kelvin
Frequently Asked Questions
All Thermal Conductivity Conversion Calculators (6)
Select any dedicated thermal conductivity pair below for worked examples and printable tables
Category Conversion Matrix
Simultaneous comparison of 6 units in this category
Thermal Conductivity Unit Definitions & Symbols
Watt per Meter-Kelvin (W/(m·K))
SICoherent SI unit of thermal conductivity.
Watt per Centimeter-°C (W/(cm·°C))
METRICEqual to 100 W/(m·K).
Kilowatt per Meter-Kelvin (kW/(m·K))
METRICEqual to 1,000 W/(m·K).
Calorie per Second-cm-°C (cal/(s·cm·°C))
METRICCGS thermal conductivity unit (418.4 W/(m·K)).
BTU per Hour-Foot-°F (BTU/(h·ft·°F))
US CUSTOMARYUS HVAC thermal conductivity unit (≈ 1.7307 W/(m·K)).
BTU-Inch per Hour-Sq. Foot-°F (BTU·in/(h·ft²·°F))
US CUSTOMARYUS building insulation k-factor unit (≈ 0.1442 W/(m·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