To convert pounds to kilograms, you can use the conversion factor where 1 pound is approximately equal to 0.453592 kilograms.
To convert 150 pounds to kilograms:
\( 150 , \text{lb} \times 0.453592 , \text{kg/lb} \approx 68.18 , \text{kg} \)
So, 150 pounds is approximately 68.18 kilograms.