Miles to Nautical Miles Calculator
Enter the distance in miles (mi) below to convert it to nautical miles (NM):
Understanding Miles to Nautical Miles Conversion
The mile (mi) and nautical mile (NM) are used for measuring distances, particularly in land and maritime navigation. To convert miles to nautical miles, use the formula:
Formula: Nautical Miles = Miles × 0.868976
For example, 10 miles equals 8.68976 nautical miles (10 × 0.868976).
Why Convert Miles to Nautical Miles?
Common reasons for converting miles to nautical miles include:
- Maritime Navigation: Used in ship routing and sea travel.
- Aviation & Flight Planning: Calculating flight distances and air travel efficiency.
- Military & Defense: Standardized unit in naval and air operations.
- Science & Research: Applied in oceanography and marine exploration.
Common Mistakes When Converting mi to NM
- Using incorrect conversion factors: Always multiply by 0.868976 for accuracy.
- Confusing nautical miles with standard miles: A nautical mile is longer than a standard mile.
- Rounding errors: Keep at least four decimal places for precision.
Frequently Asked Questions
How many nautical miles are in 5 miles?
5 miles is equal to 4.34488 nautical miles.
Is this tool accurate for professional use?
Yes, our tool provides precise conversions for aviation, maritime, and defense applications.
Can I enter negative values?
No, distances must always be positive values.