Miles to Nautical miles Converter

1 mile (mi) equals 0.868976241901 nautical miles (nmi).

Quick answer

  • 1 mile = 0.8689762419 nautical miles
  • 1 nautical mile = 1.150779448 miles
  • Formula: nmi = mi × 0.868976241901

1 mile = 0.8689762419 nautical miles

How to convert miles to nautical miles

nmi = mi × 0.868976241901

To convert miles to nautical miles, multiply the number of miles by 0.868976241901.

Example: 18 mi to nmi

  1. Start with the value in miles: 18 mi.
  2. Multiply by 0.868976241901: 18 × 0.868976241901 = 15.64157235.
  3. Result: 18 miles = 15.64157235 nautical miles.

Going the other way, 1 nautical mile = 1.15077944802 miles, so to convert nautical miles back to miles you divide by the same number. See nautical miles to miles.

Miles to nautical miles conversion table

Miles (mi)Nautical miles (nmi)
0.25 mi 0.2172440605 nmi
0.5 mi 0.434488121 nmi
0.75 mi 0.6517321814 nmi
1 mi 0.8689762419 nmi
1.5 mi 1.303464363 nmi
2 mi 1.737952484 nmi
2.5 mi 2.172440605 nmi
3 mi 2.606928726 nmi
4 mi 3.475904968 nmi
5 mi 4.34488121 nmi
6 mi 5.213857451 nmi
7 mi 6.082833693 nmi
8 mi 6.951809935 nmi
9 mi 7.820786177 nmi
10 mi 8.689762419 nmi
11 mi 9.558738661 nmi
12 mi 10.4277149 nmi
13 mi 11.29669114 nmi
14 mi 12.16566739 nmi
15 mi 13.03464363 nmi
16 mi 13.90361987 nmi
17 mi 14.77259611 nmi
18 mi 15.64157235 nmi
19 mi 16.5105486 nmi
20 mi 17.37952484 nmi
21 mi 18.24850108 nmi
22 mi 19.11747732 nmi
23 mi 19.98645356 nmi
24 mi 20.85542981 nmi
25 mi 21.72440605 nmi
26 mi 22.59338229 nmi
27 mi 23.46235853 nmi
28 mi 24.33133477 nmi
29 mi 25.20031102 nmi
30 mi 26.06928726 nmi
31 mi 26.9382635 nmi
32 mi 27.80723974 nmi
33 mi 28.67621598 nmi
34 mi 29.54519222 nmi
35 mi 30.41416847 nmi

More mi to nmi values

What is a mile?

The mile (also called the statute mile or international mile) is a unit of length equal to 5,280 feet, 1,760 yards, or exactly 1,609.344 meters.

More about miles →

What is a nautical mile?

The nautical mile is a unit of distance used at sea and in the air, equal to exactly 1,852 meters, or about 1.151 statute miles.

More about nautical miles →

Frequently asked questions

How many nautical miles are in a mile?

One mile is 0.8689762419 nautical miles.

How many miles are in a nautical mile?

One nautical mile is 1.150779448 miles.

What is the formula to convert miles to nautical miles?

nmi = mi × 0.868976241901.