Convert the measurement 150 lb to kg
The correct answer and explanation is :
Conversion of 150 lb to kg
To convert 150 pounds (lb) to kilograms (kg), we use the conversion factor:
[
1 \text{ lb} = 0.453592 \text{ kg}
]
Now, multiply:
[
150 \times 0.453592 = 68.0388 \text{ kg}
]
Final Answer: 150 lb = 68.04 kg (rounded to two decimal places).
Explanation (300 Words)
Weight is commonly measured in pounds (lb) in the United States, while most other countries use the metric system, where weight is measured in kilograms (kg). To convert pounds to kilograms, we use a standard conversion factor:
[
1 \text{ lb} = 0.453592 \text{ kg}
]
This conversion factor originates from defining the kilogram as the base unit of mass in the International System of Units (SI), and the pound as a derived unit used in the imperial and US customary systems.
By multiplying the given weight in pounds (150 lb) by this factor:
[
150 \times 0.453592 = 68.0388 \text{ kg}
]
we get approximately 68.04 kg when rounded to two decimal places.
This conversion is important in many real-life applications. For example, in international trade, medical prescriptions, and scientific calculations, mass is often required in kilograms. Athletes, dietitians, and fitness trainers also frequently convert between pounds and kilograms to monitor weight effectively.
Moreover, many tools and instruments use kilograms as the standard measurement unit. Understanding this conversion helps in fields like physics, engineering, and nutrition.
In summary, converting 150 pounds to kilograms results in 68.04 kg, which is useful for global consistency in measurement and practical applications in daily life.