When converting 1 pound (lb) and 12 ounces (oz) into kilograms (kg), it’s essential to break the weight into its components and apply the appropriate conversion factors. The metric system uses kilograms (kg) as the standard unit of mass, whereas the imperial system, commonly used in the United States and the United Kingdom, relies on pounds (lb) and ounces (oz) for weight measurements.

Step 1: Convert Pounds to Kilograms

A pound is heavier than a kilogram, and the precise conversion factor is:

1 lb=0.453592 kg1 

For 1 lb:

1×0.453592=0.453592 kg

Step 2: Convert Ounces to Kilograms

Since there are 16 ounces in a pound, the conversion factor for ounces is:

1 oz=0.0283495 kg

For 12 oz:

12×0.0283495=0.340194 kg

Step 3: Add the Two Values

Now, we combine the kilogram values from both conversions:

0.453592+0.340194=0.793786 kg

Final Answer

After rounding to three decimal places, the final result is:

1 lb 12 oz≈0.794 kg

Thus, 1 pound and 12 ounces is approximately 0.794 kilograms.

This conversion is useful in various scenarios, such as cooking, weight measurements for fitness, and international trade. Since many countries outside the U.S. use the metric system, knowing how to convert between pounds, ounces, and kilograms can be helpful for everyday applications.