Miles to Nautical miles Converter
Convert mile to nautical mile instantly. Type a value below — the result updates as you type.
When you need to convert mile to nautical mile
Length conversions come up constantly in DIY, travel and online shopping — sizing furniture, reading a height in a different system, or checking a screen or fabric measurement listed in unfamiliar units.
Typical values: 0.5 mi is about 0.4345 nmi, and 100 mi works out to roughly 86.8976 nmi. Because the ratio is fixed at 0.869, you can scale any amount linearly — doubling the miles doubles the nautical miles.
Metric and imperial length units coexist worldwide, so the same object is often quoted two ways depending on the country.
How to convert mile to nautical mile
One mile equals 0.869 nautical miles. To convert, multiply the number of miles by 0.869:
nautical miles = miles × 0.869
For example, 10 miles × 0.869 = 8.6898 nautical miles.
Miles to nautical miles conversion table
| Length (mi) | Nautical miles (nmi) |
|---|---|
| 1 mi | 0.869 nmi |
| 2 mi | 1.738 nmi |
| 3 mi | 2.6069 nmi |
| 5 mi | 4.3449 nmi |
| 10 mi | 8.6898 nmi |
| 20 mi | 17.3795 nmi |
| 50 mi | 43.4488 nmi |
| 100 mi | 86.8976 nmi |
FAQ
How many nautical miles are in a mile?
One mile = 0.869 nautical miles.
How do I convert nautical miles back to miles?
Divide by 0.869, or use the nautical miles to miles converter.