Length & Distance

Nautical Miles to Miles

Convert nautical miles to miles instantly. 1 nmi = 1.150779448 mi. Includes the exact factor, a conversion table of common values and the definition of both units.

nmi
Miles

How to convert nautical miles to miles

To convert nautical miles to miles, multiply by 1.150779448. The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.

mi = nmi × 1.150779448

Nautical Miles to Miles conversion table

The values people look up most often, rounded for reading. Use the calculator above for anything in between.

Nautical MilesMiles
1 nmi1.150779 mi
2 nmi2.301559 mi
3 nmi3.452338 mi
5 nmi5.753897 mi
10 nmi11.507794 mi
20 nmi23.015589 mi
25 nmi28.769486 mi
50 nmi57.538972 mi
100 nmi115.077945 mi
500 nmi575.389724 mi
1,000 nmi1,150.78 mi

What is a nautical mile?

One minute of latitude, fixed at exactly 1,852 m. Used at sea and in the air.

What is a mile?

1,760 yards. The statute mile used on US and UK roads.

The formula

mi = nmi × 1.150779448

Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.

How to use the Nautical Miles to Miles

  1. Type the number of nautical miles you want to convert.
  2. Read the result in miles straight away — there is no button to press.
  3. Check the table below for the values that come up most often, or reverse the conversion with the linked miles to nautical miles page.

Nautical Miles to Miles — frequently asked questions

How many miles are in a nautical mile?

One nautical mile equals 1.150779448 mi. mi = nmi × 1.150779448

What is the formula to convert nautical miles to miles?

The formula is mi = nmi × 1.150779448. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.

How do I convert miles back to nautical miles?

Divide instead of multiplying: one mile is 0.8689762419 nmi. The reverse converter is linked in the related tools list.

Is this conversion exact?

Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.

Is this nautical miles to miles free to use?

Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.

What people search for

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About this calculator

Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.

Last reviewed August 15, 2026 · Calculation runs client-side · No data collected · Report an error