Miles to Nautical Miles
1 Mile = 0.86898 Nautical Miles
Common amounts:
About the mile to nautical mile conversion
The mile (mi) and the nautical mile (nmi) are both units of length. Convert between metric and imperial length units — millimeters, meters, kilometers, inches, feet, yards, miles and nautical miles.
To convert miles to nautical miles, multiply by 0.86898. To go back, multiply nautical miles by 1.1508.
Reference table
| Miles | Nautical Miles |
|---|---|
| 1 mi | 0.86898 nmi |
| 5 mi | 4.3449 nmi |
| 10 mi | 8.6898 nmi |
| 25 mi | 21.7244 nmi |
| 50 mi | 43.4488 nmi |
| 100 mi | 86.8976 nmi |
Need the reverse conversion? Convert Nautical Miles to Miles.
Convert Mile to other length units
Frequently asked questions
- How many nautical miles is 1 mile?
- 1 Mile equals 0.86898 Nautical Miles. To go the other way, 1 Nautical Mile equals 1.1508 Miles.
- What's the formula to convert miles to nautical miles?
- Multiply the number of miles by 0.86898 to get nautical miles. For example, 10 miles × 0.86898 = 8.6898 nautical miles.
- Does this converter handle decimals and very large numbers?
- Yes. Type any real number, including decimals or values in the trillions. Math runs entirely in your browser — no server round-trip, no sign-up, and nothing to install.