What is the conversion factor from kilometers to miles?

The conversion factor from kilometers to miles is indeed 1 kilometer equals approximately 0.621 miles. This value is widely accepted and used in various applications, including geography, travel, and science.

When converting from kilometers to miles, knowing this factor allows for accurate distance calculations when traveling or comparing measurements in different units. Since a kilometer is slightly longer than a mile, the conversion reflects that approximately 0.621 miles make up a single kilometer. Using this conversion factor helps maintain accuracy whether in academic exercises or practical usage.

The other choices represent incorrect conversions. For instance, suggesting that 1 kilometer equals 0.75 miles or 1.5 miles would misrepresent the actual distance. This can lead to significant errors in computations that rely on precise distance measurements, emphasizing the importance of using the correct conversion factor.