# Thermal Conductivity Constant

## Thermal Conductivity Constant formula

\(\large{ k_t = \frac {\dot {Q}_t \; l} {\Delta T} }\) |

### Where:

Units |
English |
Metric |

\(\large{ k_t }\) = thermal conductivity constant | \(\large{\frac{Btu-ft}{hr-ft^2-F}}\) | \(\large{\frac{W}{m-K}}\) |

\(\large{ \dot {Q}_t }\) = heat transfer rate | \(\large{\frac{Btu}{hr}}\) | \(\large{W}\) |

\(\large{ l }\) = length | \(\large{ft}\) | \(\large{m}\) |

\(\large{ \Delta T }\) = temperature differential | \(\large{F}\) | \(\large{K}\) |

Tags: Thermal Conductivity Equations Thermal Equations Constant Equations Conductivity Equations