I assume,
how to convert 82 mg to lb.
\(\begin{array}{|rcll|} \hline && \mathbf{83\ \text{mg}} \\\\ &=& 83\ \text{mg} \cdot \dfrac{ 1\ \text{kg} } { 1000000\ \text{mg} } \cdot \dfrac{ 2.2046226218\ \text{lb} } { 1\ \text{kg} } \\\\ &=& \dfrac{ 83\cdot 2.2046226218 } { 1000000 } \ \text{lb} \\\\ &\mathbf{=}& \mathbf{0.00018298368 \ \text{lb} } \\ \hline \end{array}\)