Which of the following is the equivalence in pounds for 210 kg? (2.2 lb=1 kg)
A.
522 lb
B.
632 lb
C.
420 lb
D.
462 lb
The Correct Answer and Explanation is:
To convert kilograms to pounds, you can use the conversion factor where 1 kilogram is equivalent to approximately 2.2 pounds. Therefore, to find the equivalent weight in pounds for 210 kilograms, you simply multiply 210 by 2.2.
The formula to convert kilograms (kg) to pounds (lb) is:Weight in pounds=Weight in kg×2.2\text{Weight in pounds} = \text{Weight in kg} \times 2.2Weight in pounds=Weight in kg×2.2
Applying this formula:Weight in pounds=210 kg×2.2 lb/kg\text{Weight in pounds} = 210 \, \text{kg} \times 2.2 \, \text{lb/kg}Weight in pounds=210kg×2.2lb/kg
Calculating the multiplication:210×2.2=462 lb210 \times 2.2 = 462 \, \text{lb}210×2.2=462lb
Thus, the equivalent weight of 210 kg is 462 lb. Therefore, the correct answer is:
D. 462 lb
This conversion is crucial in various fields, especially in healthcare and nutrition, where understanding a patient’s weight in different units can affect medical decisions and dietary recommendations. In clinical settings, for instance, medication dosages might be calculated based on a patient’s weight in pounds or kilograms, depending on the standard practices in the region or specific guidelines.
It’s also important to understand that accurate conversions ensure proper treatment and care for patients, especially in critical situations. Moreover, being able to convert between these units can help in assessing weight classifications, as obesity and other health risks are often defined based on weight and height metrics (like BMI) that might use different units.
Overall, the conversion from kilograms to pounds is a straightforward yet essential skill in both clinical and everyday contexts, facilitating clear communication and understanding of weight-related information.