Mile to Nautical Mile Conversion Calculator: Free Online Tool

Convert miles to nautical miles with our free online length converter.

Mile to Nautical Mile Calculator

Mile
Nautical Mile

How to Use the Calculator:

  1. Enter the value you want to convert in the 'From' field (Mile).
  2. The converted value in Nautical Mile will appear automatically in the 'To' field.
  3. Use the dropdown menus to select different units within the Length category.
  4. Click the swap button (⇌) to reverse the conversion direction.

How to Convert Mile to Nautical Mile

Converting Mile to Nautical Mile involves multiplying the value by a specific conversion factor, as shown in the formula below.

Formula:

1 Mile = 0.868976 nautical miles

Example Calculation:

Convert 10 miles: 10 × 0.868976 = 8.689762 nautical miles

Disclaimer: For Reference Only

These conversion results are provided for informational purposes only. While we strive for accuracy, we make no guarantees regarding the precision of these results, especially for conversions involving extremely large or small numbers which may be subject to the inherent limitations of standard computer floating-point arithmetic.

Not for professional use. Results should be verified before use in any critical application. View our Terms of Service for more information.

What is a Mile and a Nautical Mile?

The mile, specifically the international statute mile, is a unit of length in the British imperial and United States customary systems. It is defined as exactly 5,280 feet, 1,760 yards, or approximately 1.609344 kilometers.

A nautical mile is a unit of length used in marine and air navigation. It is defined as exactly 1,852 meters.

Note: The Mile is part of the imperial/US customary system, primarily used in the US, UK, and Canada for everyday measurements. The Nautical Mile belongs to the imperial/US customary system.

History of the Mile and Nautical Mile

The mile originated from the Roman "mille passus", meaning "thousand paces" (where a pace was two steps). Its length varied considerably until Queen Elizabeth I of England standardized it as 5,280 feet in 1593. The international mile agreement of 1959 confirmed its definition based on the metric system.

The nautical mile originated from the length of one minute of arc of latitude along any meridian. It was standardized internationally in 1929.

Common Uses for miles and nautical miles

Explore the typical applications for both Mile (imperial/US) and Nautical Mile (imperial/US) to understand their common contexts.

Common Uses for miles

  • Geography & Travel (US/UK): Measuring geographic distances and road lengths in the US, UK, and some other countries.
  • Transportation (US/UK): Road speed limits (miles per hour, mph) in the US and UK.
  • Maritime & Aviation: Nautical and aviation use a related unit, the nautical mile (approx. 1.852 km).
  • Athletics: Running events (e.g., the mile run).

Common Uses for nautical miles

  • Marine navigation
  • Air navigation
  • Charting distances over water or air

Frequently Asked Questions

Questions About Mile (mi)

How many feet are in a mile?

There are exactly 5,280 feet (ft) in 1 mile (mi).

How many yards are in a mile?

There are exactly 1,760 yards (yd) in 1 mile (mi).

Is a mile longer or shorter than a kilometer?

A mile (approx. 1.609 km) is longer than a kilometer (1 km).

About Nautical Mile (NM)

Why is a nautical mile different from a statute mile?

A statute mile (used on land, 1609.344 meters) is based on historical measurements. A nautical mile (1852 meters) is derived from the Earth's circumference (1 minute of latitude) and simplifies navigation calculations.

How many feet are in a nautical mile?

One nautical mile is approximately 6076.115 feet.

What is a knot in relation to a nautical mile?

A knot is a unit of speed equal to one nautical mile per hour. It's commonly used in maritime and aviation contexts.

Conversion Table: Mile to Nautical Mile

Mile (mi)Nautical Mile (NM)
10.869
54.345
108.69
2521.724
5043.449
10086.898
500434.488
1,000868.976

All Length Conversions

Meter to KilometerMeter to HectometerMeter to DecimeterMeter to CentimeterMeter to MillimeterMeter to InchMeter to FootMeter to YardMeter to MileMeter to Nautical MileMeter to MicrometerMeter to NanometerMeter to Light YearMeter to Astronomical UnitMeter to ParsecMeter to AngstromMeter to Point (Typography)Meter to Mil/ThouMeter to FathomMeter to FurlongMeter to Link (Gunter's)Meter to PaceMeter to SpanMeter to DigitMeter to Cable LengthMeter to EllMeter to FingerMeter to Roman MileMeter to StadionMeter to Chi (Chinese)Meter to Shaku (Japanese)Meter to Li (Chinese)Meter to ToiseMeter to BoltMeter to RopeMeter to SmootMeter to SajeneMeter to KenMeter to WaMeter to VaraMeter to AlnMeter to Cubit (Royal/Egyptian)Meter to VerstaMeter to ArpentMeter to Ri (Japanese)Meter to KlafterMeter to YojanaMeter to SkeinKilometer to MeterKilometer to HectometerKilometer to DecimeterKilometer to CentimeterKilometer to MillimeterKilometer to InchKilometer to FootKilometer to YardKilometer to MileKilometer to Nautical MileKilometer to MicrometerKilometer to NanometerKilometer to Light YearKilometer to Astronomical UnitKilometer to ParsecKilometer to AngstromKilometer to Point (Typography)Kilometer to Mil/ThouKilometer to FathomKilometer to FurlongKilometer to Link (Gunter's)Kilometer to PaceKilometer to SpanKilometer to DigitKilometer to Cable LengthKilometer to EllKilometer to FingerKilometer to Roman MileKilometer to StadionKilometer to Chi (Chinese)Kilometer to Shaku (Japanese)Kilometer to Li (Chinese)Kilometer to ToiseKilometer to BoltKilometer to RopeKilometer to SmootKilometer to SajeneKilometer to KenKilometer to WaKilometer to VaraKilometer to AlnKilometer to Cubit (Royal/Egyptian)Kilometer to VerstaKilometer to ArpentKilometer to Ri (Japanese)Kilometer to KlafterKilometer to YojanaKilometer to SkeinHectometer to MeterHectometer to KilometerHectometer to DecimeterHectometer to CentimeterHectometer to MillimeterHectometer to InchHectometer to FootHectometer to YardHectometer to MileHectometer to Nautical MileHectometer to MicrometerHectometer to NanometerHectometer to Light YearHectometer to Astronomical UnitHectometer to ParsecHectometer to AngstromHectometer to Point (Typography)Hectometer to Mil/ThouHectometer to FathomHectometer to FurlongHectometer to Link (Gunter's)Hectometer to PaceHectometer to SpanHectometer to Digit