Convert 140 lbs to kg.
The correct answer and explanation is:
To convert 140 pounds (lbs) to kilograms (kg), the conversion factor is:
1 pound = 0.453592 kilograms.
Now, multiply 140 by the conversion factor:
140 lbs × 0.453592 = 63.50288 kg.
Thus, 140 pounds is approximately equal to 63.5 kilograms when rounded to one decimal place.
Explanation:
The conversion from pounds to kilograms involves a simple multiplication. The relationship between pounds and kilograms is not one-to-one, so it is necessary to apply the correct conversion factor. The conversion factor is derived from the fact that a kilogram is roughly 2.20462 pounds, meaning that to convert from pounds to kilograms, you divide the number of pounds by 2.20462 or multiply by 0.453592.
Using the conversion factor helps convert weight measurements from the imperial system (pounds) to the metric system (kilograms), which is used more commonly in scientific, medical, and global contexts. This conversion is especially important for consistent reporting and comparison in areas such as healthcare, where weight is often given in kilograms in many countries, or when traveling to a country that uses the metric system.
The decimal result reflects a high degree of accuracy, and in most practical contexts, rounding the result to one decimal place (63.5 kg) is standard practice. Although the full conversion result is 63.50288 kg, rounding to one decimal place ensures that the answer remains manageable and easier to understand for everyday use.