Miles to Nautical Miles Converter (mi to nmi)

1 mi = 0.868976 nmi

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Formula

To convert miles to nautical miles, multiply the value by 0.868976242.

nmi = mi × 0.868976242

Example calculation

Convert 5 mi to nmi:

5 mi × 0.868976242 = 4.34488 nmi

Conversion table

miles → nautical miles
minmi
10.8690
21.7380
32.6069
43.4759
54.3449
65.2139
76.0828
86.9518
97.8208
108.6898
1513.0346
2017.3795
2521.7244
3026.0693
3530.4142
4034.7590
4539.1039
5043.4488
5547.7937
6052.1386
6556.4835
7060.8283
7565.1732
8069.5181
8573.8630
9078.2079
9582.5527
10086.8976
200173.7952
500434.4881
1000868.9762
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About the units

Mile (mi)
Used for road distances in the US and UK. The statute mile is exactly 1,609.344 metres, derived from the Roman mille passus.
Nautical Mile (nmi)
Used in sea and air navigation worldwide. Defined internationally as exactly 1,852 metres, close to one minute of latitude.

Frequently asked questions

How do I convert miles to nautical miles?
To convert miles to nautical miles, multiply the value by 0.868976242.
How many nautical miles are in 1 mile?
1 mile equals 0.868976 nmi.
How many nautical miles are in 10 miles?
10 mi equals 8.68976 nmi.
How do I convert nautical miles back to miles?
Use the reverse converter: 1 nautical mile equals 1.15078 mi.
Is this converter accurate?
Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.

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