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Convert between W/m·K, BTU/hr·ft·°F, and cal/s·cm·°C.
High thermal conductivity of copper makes it ideal for cooling electronics.
Low thermal conductivity used to keep buildings warm or cool.
Air is a poor conductor of heat, which is why it's used in double-pane windows.
Moderate thermal conductivity compared to other metals like copper or aluminum.
| Unit | Equivalent Value |
|---|---|
| 1 W/(m·K) | 0.8598 kcal/(hr·m·°C) |
| 1 BTU/(hr·ft·°F) | 1.7307 W/(m·K) |
| 1 cal/(s·cm·°C) | 418.68 W/(m·K) |
| 1 BTU·in/(hr·ft²·°F) | 0.1442 W/(m·K) |
Thermal conductivity measures a material's ability to conduct heat. It is vital for insulation and heat sink design.
Note: 1 W/m·K ≈ 0.5778 BTU/hr·ft·°F. Metals generally have high conductivity, while gases and insulators have low values.