Step 1: Understanding the Concept:
A nautical mile is a unit of measurement used in air, marine, and space navigation, based on the circumference of the Earth.
Step 2: Detailed Explanation:
Historically, one nautical mile was defined as one minute of arc of latitude along any meridian.
In the metric system, this distance is standardized internationally as exactly \(1,852\) meters, which is equal to \(1.852\) kilometers.
Step 3: Final Answer:
Therefore, one nautical mile is equivalent to 1.852 km.