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 40 lbs to kg, we can set up the equation as follows:
40 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. By multiplying the value by the conversion factor, the unit “lbs” will cancel out, leaving us with the desired unit “kg.”
Step 4: Perform the calculation
Now, we can simply multiply the value of 40 lbs by the conversion factor:
40 lbs * 0.45359237 kg/1 lb = 18.1436948 kg
Step 5: Round the answer (if necessary)
In this case, the answer is approximately 18.1436948 kg. Depending on the desired level of precision, you may choose to round the answer to a certain number of decimal places. For example, rounding to two decimal places would give us 18.14 kg.
Therefore, 40 lbs is approximately equal to 18.14 kg.