1 pound (lb) is directly equivalent to 0.45359237 kilograms (kg).
For us to be able to obtain the mass m in kilograms (kg), simply multiply the mass m in pounds (lb) by 0.45359237 since it was its direct conversion.
As an example, let's try to convert 5 pounds to kilograms. Using the formula stated above, we'll then end up with the following computation and output.