To convert pounds (lbs) to kilograms (kg), you can use the following step-by-step instructions:

Step 1: Understand the conversion factor

1 pound (lb) is equal to approximately 0.45359237 kilograms (kg). This conversion factor will be used to convert pounds to kilograms.

Step 2: Set up the conversion equation

To convert 1 lb to kg, we can set up the equation as follows:

1 lb = x kg

Step 3: Apply the conversion factor

Multiply the value in pounds by the conversion factor to obtain the equivalent value in kilograms. In this case, multiply 1 lb by 0.45359237 kg:

1 lb * 0.45359237 kg/lb = 0.45359237 kg

Step 4: Simplify the result

The result of the multiplication is 0.45359237 kg. This means that 1 lb is equal to 0.45359237 kg.

Therefore, 1 lb is approximately equal to 0.4536 kg (rounded to four decimal places).

Note: The conversion factor used here is an approximation, as the exact conversion factor is a long decimal. However, using 0.4536 kg as an approximation is commonly accepted for most practical purposes.