Convert Kilometers to Nautical Miles
Convert kilometers to nautical miles instantly. Type a value below, check the formula and table, then see how the same km to nmi conversion looks as a single line in Notes Calculator.
Kilometers to Nautical Miles formula
One kilometer is 0.539957 nautical miles, so nmi = km × 0.539957. For the reverse, multiply nautical miles by 1.852, or use the Nautical Miles to Kilometers converter.
Kilometers to Nautical Miles conversion table
| Kilometers (km) | Nautical Miles (nmi) |
|---|---|
| 1 | 0.539957 |
| 2 | 1.07991 |
| 5 | 2.69978 |
| 10 | 5.39957 |
| 20 | 10.7991 |
| 25 | 13.4989 |
| 50 | 26.9978 |
| 100 | 53.9957 |
| 250 | 134.989 |
| 500 | 269.978 |
| 1,000 | 539.957 |
Kilometers to Nautical Miles in Notes Calculator
Notes Calculator is a notepad that does math. Write 100 km 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 kilometers and nautical miles without a separate converter.
| Note | Result |
|---|---|
| 100 km to nautical miles | 54.00 nmi |
| 100 km in nautical miles | 54.00 nmi |
| 10 nautical miles as km | 18.52 km |
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 kilometer equals 0.539957 nautical miles. To convert kilometers to nautical miles, multiply by 0.539957; to go back, multiply by 1.852.
- Type the value, the unit, and the target unit on one line: 100 km 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.
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