Convert 148 pounds to kilograms Round your answer to the nearest
The Correct Answer and Explanation is:
To convert 148 pounds to kilograms, we use the standard conversion factor:
1 pound ≈ 0.453592 kilograms
So, the calculation is: 148×0.453592=67.131616 kg148 \times 0.453592 = 67.131616 \text{ kg}
Rounding this to the nearest tenth, we get:
67.1 kg
Explanation
When converting units from the Imperial system (such as pounds) to the Metric system (such as kilograms), it’s important to use accurate conversion factors. This ensures consistency in scientific calculations, medical records, fitness tracking, and more.
The conversion factor between pounds and kilograms is based on international agreement:
1 pound is equal to approximately 0.453592 kilograms.
To perform the conversion from 148 pounds to kilograms:
- Multiply the number of pounds by the conversion factor: 148×0.453592=67.131616148 \times 0.453592 = 67.131616
- The result, 67.131616 kilograms, is the precise equivalent in kilograms.
- The question asks us to round to the nearest tenth. This means we look at the first digit after the decimal point and round accordingly.
- The digit after the tenths place is 3 (in 67.131616), which is less than 5. So, we keep the tenths digit as is.
- Therefore, the final answer is: 67.1 kg\boxed{67.1 \text{ kg}}
Rounding to the nearest tenth is useful for simplicity and practicality, especially when extreme precision isn’t necessary. For example, in daily life or general health and fitness measurements, stating your weight as 67.1 kg is clear and sufficient.
Understanding these conversions is also useful in countries that use different measurement systems, as it allows for easy communication and data sharing between professionals, such as doctors or engineers, across different regions of the world.
