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

Step 1: Understand the conversion factor

1 lb is equal to approximately 0.45359237 kg. This is the conversion factor we will use to convert pounds to kilograms.

Step 2: Set up the conversion equation

To convert 166 lbs to kg, we can set up the equation as follows:

166 lbs * (0.45359237 kg/1 lb)

Step 3: Cancel out the units

In the equation, the unit “lbs” appears in both the numerator and denominator. This allows us to cancel out the unit and only keep the unit “kg” in the numerator.

166 * (0.45359237 kg/1) = 75.29693842 kg

Step 4: Round the answer (if necessary)

In this case, the answer is 75.29693842 kg. If you need to round the answer, you can round it to the desired number of decimal places. For example, rounding to two decimal places, the answer would be 75.30 kg.

Therefore, 166 lbs is approximately equal to 75.30 kg.