How many miles are in a kilometer?

A kilometer is a metric unit of length, and it is equivalent to approximately 0.621371 miles. When converting kilometers to miles, a common approximation is to remember that 1 kilometer is roughly equal to 0.62 miles. For practical purposes, it is often rounded to 0.6 miles for quick estimates or calculations.

However, the most accurate conversion indicates that 1 kilometer is about 0.621 miles, which means that if you round it slightly, the closest whole number of miles would be 1.6 miles. This reflects the consistent relationship between metric and imperial units, where one kilometer is indeed converted into approximately 1.6 miles, making this answer the most accurate choice among the options provided.