Convert miles to nautical miles
1 mi = 0.868976241901 nmi — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
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Show this value in all 50 length units
- Gigameters Gm 0.000 001 609 344
- Megameters Mm 0.001 609 344
- Kilometers km 1.609 344
- Hectometers hm 16.093 44
- Decameters dam 160.9344
- Meters m 1609.344
- Decimeters dm 16 093.44
- Centimeters cm 160 934.4
- Millimeters mm 1 609 344
- Micrometers µm 1 609 344 000
- Nanometers nm 1 609 344 000 000
- Picometers pm 1 609 344 000 000 000
- Femtometers fm 1.609344e+18
- Inches in 63 360
- Feet ft 5280
- Yards yd 1760
- Miles mi 1
- Nautical miles nmi 0.868 976 241 901
- Thous thou 63 360 000
- Hands hh 15 840
- Links li 8000
- Spans span 7040
- Cubits cubit 3520
- Ells ell 1408
- Fathoms ftm 880
- Rods rd 320
- Chains ch 80
- Furlongs fur 8
- Leagues lea 0.333 333 333 333
- Barleycorns barleycorn 190 080
- US survey feet ft (US) 5279.989 44
- US survey miles mi (US) 0.999 998
- Ångströms Å 16 093 440 000 000
- Microns µ 1 609 344 000
- Bohr radiuss a₀ 30 412 194 023 700
- Planck lengths ℓₚ 9.95724065819e+37
- Astronomical units au 1.07578001777e-8
- Light-years ly 1.70107795023e-13
- Light-seconds ls 0.000 005 368 193 752 23
- Light-minutes lmin 8.94698958704e-8
- Parsecs pc 5.21552870479e-14
- Kiloparsecs kpc 5.21552870479e-17
- Megaparsecs Mpc 5.21552870479e-20
- Solar radiuss R☉ 0.000 002 313 272 962 48
- Earth radiuss R🜨 0.000 252 604 614 66
- Point (DTP)s pt 4 561 920
- Picas pc 380 160
- Scandinavian miles mil 0.160 934 4
- Versts вер 1.508 571 428 57
- Lis 里 3.218 688
Every row is Mile (mi) converted through the meter, in exact rational arithmetic.
How to convert miles to nautical miles
Multiply the number of miles by 0.868976241901 to get nautical miles.
Mile: The statute mile: 5280 international feet, exactly 1609.344 m.
Nautical mile: Exactly 1852 m by international agreement — roughly one minute of latitude.
Mile to Nautical mile conversion table
| Miles (mi) | Nautical miles (nmi) |
|---|---|
| 1 mi | 0.868 976 24 |
| 2 mi | 1.737 952 5 |
| 3 mi | 2.606 928 7 |
| 5 mi | 4.344 881 2 |
| 10 mi | 8.689 762 4 |
| 20 mi | 17.379 525 |
| 25 mi | 21.724 406 |
| 50 mi | 43.448 812 |
| 100 mi | 86.897 624 |
| 250 mi | 217.244 06 |
| 500 mi | 434.488 12 |
| 1000 mi | 868.976 24 |
Nautical mile to Mile conversion table
| Nautical miles (nmi) | Miles (mi) |
|---|---|
| 1 nmi | 1.150 779 4 |
| 2 nmi | 2.301 558 9 |
| 3 nmi | 3.452 338 3 |
| 5 nmi | 5.753 897 2 |
| 10 nmi | 11.507 794 |
| 20 nmi | 23.015 589 |
| 25 nmi | 28.769 486 |
| 50 nmi | 57.538 972 |
| 100 nmi | 115.077 94 |
| 250 nmi | 287.694 86 |
| 500 nmi | 575.389 72 |
| 1000 nmi | 1150.7794 |
Frequently asked
How many nautical miles are in a mile?
One mile equals 0.8689762419 nautical miles (mi → nmi). That figure is exact, not rounded.
How do you convert miles to nautical miles?
Multiply the number of miles by 0.868976241901 to get nautical miles.
What is 1 nmi in miles?
One nautical mile is 1.150779448 miles.
What is 10 mi in nmi?
10 mi = 8.689 762 4 nmi.
What exactly is a mile?
The statute mile: 5280 international feet, exactly 1609.344 m.
What exactly is a nautical mile?
Exactly 1852 m by international agreement — roughly one minute of latitude.