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Nautical Miles to Miles (nmi to mi) Converter

1 nautical mile (nmi) = 1.15078 miles (mi). To convert nautical miles to miles, multiply by 1.15078: 12 nmi × 1.15078 = 13.8094 mi.

1 nmi = 1.150779448 mi
Convert the other way: Miles to Nautical Miles

Quick facts

How to convert nautical miles to miles

  1. Take the value in nautical miles.
  2. Multiply it by 1.15078 (the number of miles in one nautical mile).
  3. Round the result to the precision you need.
mi = nmi × 1.15078

Worked example (the 12-nautical-mile territorial sea limit): 12 nmi × 1.15078 = 13.8094 mi.

To convert miles back to nautical miles, multiply by 0.868976, or divide by 1.15078.

Source: NIST Special Publication 811 (2008), Appendix B; the international yard and pound agreement of 1959 (1 inch = 25.4 mm exactly).

Nautical Miles to Miles conversion table

Nautical Miles to Miles conversion table
Nautical Miles [nmi]Miles [mi]
0.01 nmi0.0115077945 mi
0.1 nmi0.1150779448 mi
1 nmi1.150779448 mi
2 nmi2.301558896 mi
3 nmi3.4523383441 mi
5 nmi5.7538972401 mi
10 nmi11.5077944802 mi
20 nmi23.0155889605 mi
50 nmi57.5389724012 mi
100 nmi115.0779448024 mi
1000 nmi1150.7794480235 mi

nmi to mi chart from 1 to 100

Miles to Nautical Miles conversion table

Miles to Nautical Miles conversion table
Miles [mi]Nautical Miles [nmi]
0.01 mi0.0086897624 nmi
0.1 mi0.0868976242 nmi
1 mi0.8689762419 nmi
2 mi1.7379524838 nmi
3 mi2.6069287257 nmi
5 mi4.3448812095 nmi
10 mi8.689762419 nmi
20 mi17.379524838 nmi
50 mi43.448812095 nmi
100 mi86.8976241901 nmi
1000 mi868.9762419006 nmi

Nautical Miles vs Miles

Nautical MileMile
Symbolnmimi
Equals1 nmi = 1.15078 mi1 mi = 0.868976 nmi

What is a nautical mile?

Defined as exactly 1,852 meters, based on one minute of latitude along a meridian. Used in maritime and aviation navigation worldwide.

What is a mile?

A US customary and imperial unit equal to 5,280 feet or 1,609.344 meters. The standard road-distance unit in the US and UK.

Frequently asked questions

How many miles are in a nautical mile?

There are 1.15078 miles in 1 nautical mile (1 nmi = 1.150779448 mi).

How many nautical miles are in a mile?

There are 0.868976 nautical miles in 1 mile (1 mi = 0.8689762419 nmi).

How do I convert nautical miles to miles?

Multiply the number of nautical miles by 1.15078. For example, 10 nmi × 1.15078 = 11.5078 mi. To convert back, multiply by 0.868976.

What is 10 nmi in miles?

10 nmi = 11.5078 mi.

What is 100 nmi in miles?

100 nmi = 115.078 mi.

Is the conversion exact?

Yes. The factor comes from the official definitions of both units (NIST Special Publication 811 (2008), Appendix B; the international yard and pound agreement of 1959 (1 inch = 25.4 mm exactly)). Results are shown to up to 10 decimal places; round them to suit your purpose.

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Reviewed by

Dr. Muhammad Amjad Khadim PhD Mathematics

Dr. Muhammad Amjad Khadim holds a PhD in Mathematics. He writes and reviews the guides on pakmath.com and checks every formula, conversion factor and worked example against published standards and official guidance before it goes live. Spotted an error? Tell us and it will be corrected.

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First published 28 October 2026 · Last reviewed 5 November 2026