To convert pounds to kilograms, you can use the conversion factor:
1 pound (lb) = 0.453592 kilograms (kg).
To convert 150 lb to kg:
\[ 150 , \text{lb} \times 0.453592 , \text{kg/lb} = 68.1818 , \text{kg} \]
Rounding to two decimal places:
150 lb = 68.18 kg.