Convert 138 Miles to Nautical Miles

Converting miles to nautical miles is essential for navigation, especially for sailors and aviators. This post will provide a clear understanding of how to convert 138 miles into nautical miles, along with definitions and a simple conversion formula.

Miles Definition

Miles are a unit of distance commonly used in the United States and the United Kingdom. One mile is equal to 5,280 feet or approximately 1.609 kilometers. Miles are frequently used in road travel and for measuring distances on land.

Nautical Miles Definition

Nautical miles are a unit of measurement used primarily in maritime and aviation contexts. One nautical mile is equal to one minute of latitude and is approximately 1.15078 miles or 1.852 kilometers. Nautical miles are essential for navigation over water, as they relate directly to the Earth’s geometry.

How to Convert 138 Miles to Nautical Miles

To convert miles to nautical miles, you can use the following formula:

[ text{Nautical Miles} = text{Miles} div 1.15078 ]

For example, to convert 138 miles to nautical miles:

[ text{Nautical Miles} = 138 div 1.15078 approx 120.0 ]

Thus, 138 miles is approximately 120 nautical miles.

FAQs

What is the difference between miles and nautical miles?

Miles are used for land measurements, while nautical miles are used for sea and air navigation, relating directly to the Earth is latitude.

Why are nautical miles used in navigation?

Nautical miles are based on the Earth is circumference, making them more relevant for navigation over large distances, as they correspond to degrees of latitude and longitude.

How many nautical miles is 1 mile?

One mile is approximately equal to 0.868976 nautical miles.