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W/(m·K)

BTU/(hr·ft·°F)

0.5778 BTU/(hr·ft·°F)

cal/(s·cm·°C)0.002388 cal/(s·cm·°C)
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Formula

## How to Convert Thermal Conductivity Units ### Formula **BTU/(hr·ft·°F) = W/(m·K) x 0.5778** Thermal conductivity describes how well a material conducts heat. The SI unit is Watts per meter-Kelvin. The imperial unit is BTU per hour-foot-degree Fahrenheit. The conversion factor of 0.5778 combines the energy conversion (W to BTU/hr), length conversion (m to ft), and temperature conversion (K to °F interval). ### Reference Values | Material | W/(m·K) | |---|---| | Copper | 401 | | Aluminum | 237 | | Glass | 1.0 | | Wood | 0.12-0.17 |

Exemplo Resolvido

Convert 1 W/(m·K) to BTU/(hr·ft·°F).

  1. 01Apply the conversion factor: 1 W/(m·K) = 0.5778 BTU/(hr·ft·°F)
  2. 02BTU/(hr·ft·°F) = 1 * 0.5778 = 0.5778
  3. 03Also: 1 W/(m·K) = 0.002388 cal/(s·cm·°C)