Nautical miles to miles

Type a value in nautical miles to see it in miles straight away, or type in the second box to convert back.

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Processing and privacy: The result is calculated inside your browser and your data is not sent to any server.

How to use it

  1. Type the value in the nautical miles box.
  2. Read the result in miles as you type, and pick the precision you need.
  3. Swap the direction to convert back, or copy the result.

How it is calculated

mi = nmi × 1.150779448

Multiply the value in nautical miles by 1.150779448 to get miles.

Example

To convert 25 nmi to miles: 25 × 1.150779448 = 28.7695 mi.

Conversion table

Nautical miles (nmi)Miles (mi)
11.15078
22.30156
33.45234
55.7539
1011.5078
2023.0156
2528.7695
5057.539
100115.078
250287.695
500575.39
1,0001,150.78

About the units

Nautical mile
The international nautical mile is exactly 1852 meters, used in sea and air navigation.
Mile
The international statute mile is 1760 yards, exactly 1609.344 meters, used on roads in the US and UK.

Limits and caveats

  • Results are rounded for display and computed with the browser's floating point precision (about 15 significant digits).
  • Both unit factors are exact by their official definitions.

Questions about this tool

How many miles are in one nautical mile?

1 nmi = 1.15078 mi exactly.

How do I convert nautical miles to miles?

Use mi = nmi × 1.150779448. For example, 25 nmi = 28.7695 mi.

How many nautical miles are in one mile?

1 mi = 0.868976 nmi.

Are the inch, foot and mile factors exact or rounded?

They are exact by definition. Since the 1959 agreement one inch is exactly 2.54 cm, one foot 0.3048 m and one mile 1609.344 m.

What is the difference between a mile and a nautical mile?

A statute mile is 1609.344 meters and is used on roads. A nautical mile is 1852 meters and is used at sea and in aviation.