Convert Miles to Nautical Miles
Convert Miles(mi) to Nautical Miles(nmi) or vice versa.
Related "mi" Conversion Units
Convert mi with other distance converter.
What is Miles to Nautical Miles Conversion?
Miles (mi) and nautical miles (nmi) are both units of distance, but they're used in different situations. A mile is what you're probably used to for measuring distances on land, like the distance you drive in a car. A nautical mile is specifically used for navigation at sea and in the air.
This converter helps you easily change a distance measured in regular miles (statute miles) into nautical miles, which are a bit longer. Think of it like this: nautical miles are the special "sea miles."
Mile to Nautical Mile Formula
Nautical Miles = Miles × 0.868976
Example: If you sail for 10 miles (like on a map), that's 10 mi × 0.868976 = 8.68976 nautical miles.
The key takeaway is that 1 regular mile is *almost* the same as a nautical mile, but not quite. A nautical mile is about 15% longer.
Why use this conversion?
You'll need to convert miles to nautical miles in several important areas:
- Maritime Navigation
Ships and boats use nautical miles to measure distances across the ocean. Charts and navigation tools are all based on nautical miles, not regular miles. So, if you're planning a sea voyage, you'll need this conversion!
- Aviation
Just like ships, airplanes use nautical miles for navigation. Pilots use nautical miles to calculate flight paths and distances. This ensures consistency and safety in the air.
- Weather Forecasting
Meteorologists (weather scientists) sometimes use nautical miles when tracking large weather systems, especially over the ocean, like hurricanes.
- Marine Research
Scientists studying the ocean (oceanographers) often use nautical miles when measuring distances related to currents, marine life migrations, or underwater features.
How to Convert:
The easiest way is to use the converter above! But here's the math:
Miles to Nautical Miles (mi to nmi)
Multiply the number of miles by 0.868976.
Example: Let say, You are on vacation and booked for a Parasailing and Boat Ride that is 5 miles away to your current location. That's 5 mi * 0.868976 = 4.34488 nautical miles.
Nautical Miles to Miles (nmi to mi)
Divide the number of nautical miles by 0.868976 (or multiply by 1.15078).
Example: A ship travels 20 nautical miles. That's 20 nmi / 0.868976 = approximately 23 miles.
Key Reminders
A nautical mile is longer than a regular mile. Keep this in mind when doing conversions.
The number 0.868976 is your key to converting!
| Mile | Nautical Mile |
|---|---|
| 0.01 Mile | 0.01 Nautical Mile |
| 0.1 Mile | 0.09 Nautical Mile |
| 1 Mile | 0.87 Nautical Mile |
| 2 Mile | 1.74 Nautical Mile |
| 3 Mile | 2.61 Nautical Mile |
| 5 Mile | 4.34 Nautical Mile |
| 10 Mile | 8.69 Nautical Mile |
| 20 Mile | 17.38 Nautical Mile |
| 50 Mile | 43.45 Nautical Mile |
| 100 Mile | 86.90 Nautical Mile |
| 1000 Mile | 868.98 Nautical Mile |
| 10000 Mile | 8689.76 Nautical Mile |
| 100000 Mile | 86897.58 Nautical Mile |