Mile to Nautical Mile Converter

Length Converter

31 units available

Decimals:

From

To

0.868976

1 mi = 0.868976 nmi

Formula:

nmi = mi × 0.8689762419

With your value: 1 mi = 0.86897624 nmi

How big is that?

Everyday references on a logarithmic scale, all expressed in mile so you can sanity-check the result.

Olympic pool (1/32 your value)0.0311 mi

Football pitch (length) (1/15 your value)0.0652 mi

Eiffel Tower (1/4.9 your value)0.205 mi

Burj Khalifa (1/1.9 your value)0.514 mi

Your value1.00 mi

Marathon (26× your value)26.2 mi

Other Mile to Nautical Mile conversions

2 mi to nmi 3 mi to nmi 4 mi to nmi 5 mi to nmi 6 mi to nmi 7 mi to nmi 8 mi to nmi

Mile to Nautical Mile Conversion Table

Mile (mi)	Nautical Mile (nmi)
0.5	0.434488
1	0.868976
2	1.737952
5	4.344881
10	8.689762
15	13.034644
20	17.379525
25	21.724406
50	43.448812
100	86.897624
250	217.24406
500	434.488121
1000	868.976242

Nautical Mile to Mile Conversion Table

Nautical Mile (nmi)	Mile (mi)
0.5	0.57539
1	1.150779
2	2.301559
5	5.753897
10	11.507794
15	17.261692
20	23.015589
25	28.769486
50	57.538972
100	115.077945
250	287.694862
500	575.389724
1000	1,150.779448

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Mile (mi)

Length

Exact conversion

1 statute mile = 1760 international yards = 1609.344 m exactly.

Source: International Yard and Pound Agreement of 1959; NIST Federal Register Notice 59-5442

US, UK, Canada, Australia, New Zealand, South Africa · Reviewed 2026-07-01

Nautical Mile (nmi)

Length

Conventional value

1 international nautical mile = 1852 m exactly, adopted by the First International Extraordinary Hydrographic Conference (1929).

Source: Units accepted for use with the SI, SI Brochure Table 8

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Mile to Nautical Mile

To convert from Mile (mi) to Nautical Mile (nmi), multiply the value by 0.8689762419.

Formula: nmi = mi × 0.8689762419

Reverse: mi = nmi × 1.150779448

Step-by-Step Example

Start with your value in Mile. For example: 5 mi
Multiply by the conversion factor: 5 x 0.8689762419
The result is: 4.344881 nmi

About Mile

The mile is an imperial unit of length equal to 5,280 feet or 1,609.344 meters. It is primarily used in the United States, United Kingdom, and a few other countries.

Fun Fact: The word "mile" comes from the Latin "mille passus" meaning 1,000 paces.

Common uses: road distances (US/UK), running, aviation.

About Nautical Mile

The nautical mile equals 1,852 meters and is used primarily in aviation and maritime navigation.

Fun Fact: One nautical mile corresponds to one minute of latitude on the Earth's surface.

Common uses: navigation, aviation, maritime.

Frequently Asked Questions

How many Nautical Mile are in 1 Mile?

There are exactly 0.8689762419 Nautical Mile in 1 Mile. This means the conversion factor from Mile to Nautical Mile is 0.8689762419.

What is the formula to convert Mile to Nautical Mile?

The formula to convert Mile to Nautical Mile is: nmi = mi × 0.8689762419. For example, to convert 10 Mile to Nautical Mile, you would multiply 10 by 0.8689762419.

What is a Mile?