Mile to Nautical mile Converter
Convert miles to nautical miles with this free length converter. The exact relationship used on this page is 1 mile = 0.868976241901 nautical miles. Type any number — the result updates instantly, works on phones and desktops, and is ready to copy into homework, a spec sheet, or a shopping list.
Formula: Nautical mile = Mile × 0.868976241901
How to convert miles to nautical miles
- Enter the value in miles in the converter.
- Read the equivalent amount in nautical miles.
- Use the swap link if you need nautical mile to mile instead.
- Check the table for common values without typing.
Worked examples
- 1 mi = 0.8689762419 nmi
- 5 mi = 4.34488121 nmi
- 10 mi = 8.689762419 nmi
- 25 mi = 21.72440605 nmi
Conversion table
Common miles values converted to nautical miles.
| mi | nmi |
|---|---|
| 1 | 0.8689762419 |
| 2 | 1.737952484 |
| 3 | 2.606928726 |
| 4 | 3.475904968 |
| 5 | 4.34488121 |
| 6 | 5.213857451 |
| 7 | 6.082833693 |
| 8 | 6.951809935 |
| 9 | 7.820786177 |
| 10 | 8.689762419 |
| 20 | 17.37952484 |
| 50 | 43.4488121 |
| 100 | 86.89762419 |
| 250 | 217.2440605 |
| 500 | 434.488121 |
| 1,000 | 868.9762419 |
About this conversion
Mile (mi) and Nautical mile (nmi) are both length units. Length conversion is one of the most searched measurement tasks online. Bookmark this URL when you convert miles to nautical miles often, then explore related pairs in the same category if you need a different target unit.
Need the other direction? Open the nautical mile to mile converter.
FAQ
How many nautical miles are in 1 mile?+
1 mile equals 0.868976241901 nautical miles.
What is the formula to convert miles to nautical miles?+
Nautical mile = Mile × 0.868976241901
How do I convert miles to nautical miles by hand?+
Multiply the mile value by 0.868976241901. Example: 10 miles × 0.868976241901 = 8.68976241901 nautical miles.
Is this mi to nmi converter accurate?+
Yes. Linear conversions use internationally agreed factors relative to SI. Temperature and inverse fuel units use the standard offset or reciprocal formulas, not a guessed scale factor.