Convert Miles to Nautical Miles
Convert miles to nautical miles instantly. Type a value below, check the formula and table, then see how the same mi to nmi conversion looks as a single line in Notes Calculator.
Miles to Nautical Miles formula
One mile is 0.868976 nautical miles, so nmi = mi × 0.868976. For the reverse, multiply nautical miles by 1.15078, or use the Nautical Miles to Miles converter.
Miles to Nautical Miles conversion table
| Miles (mi) | Nautical Miles (nmi) |
|---|---|
| 1 | 0.868976 |
| 2 | 1.73795 |
| 5 | 4.34488 |
| 10 | 8.68976 |
| 20 | 17.3795 |
| 25 | 21.7244 |
| 50 | 43.4488 |
| 100 | 86.8976 |
| 250 | 217.244 |
| 500 | 434.488 |
| 1,000 | 868.976 |
Miles to Nautical Miles in Notes Calculator
Notes Calculator is a notepad that does math. Write 100 miles to nautical miles on any line and the answer appears beside it. Change the number and the result follows. The same works with in and as, and with values stored in variables, so a whole estimate can mix miles and nautical miles without a separate converter.
| Note | Result |
|---|---|
| 100 miles to nautical miles | 86.90 nmi |
| 100 miles in nautical miles | 86.90 nmi |
| 10 nautical miles as miles | 11.51 mi |
See the unit conversion docs for mixing units in one expression, or open the free web app and try it.
FAQ
Frequently asked questions
- One mile equals 0.868976 nautical miles. To convert miles to nautical miles, multiply by 0.868976; to go back, multiply by 1.15078.
- Type the value, the unit, and the target unit on one line: 100 miles to nautical miles. The keywords to, in, and as all work, and the result updates as you type. You can also keep the value in a variable and convert it later.
- Yes. The converter on this page is free, and Notes Calculator has a free plan for the web, Mac, Windows, Linux, and Android with the same unit conversions built in.
How many nautical miles are in one mile?
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