League to Nautical Mile Converter

Length Converter

31 units available

Decimals:

From

To

2.606929

1 lea = 2.606929 nmi

Formula:

nmi = lea × 2.6069287257

With your value: 1 lea = 2.60692873 nmi

How big is that?

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

Olympic pool (1/97 your value)0.0104 lea

Football pitch (length) (1/46 your value)0.0217 lea

Eiffel Tower (1/15 your value)0.0684 lea

Burj Khalifa (1/5.8 your value)0.171 lea

Your value1.00 lea

Marathon (8.7× your value)8.74 lea

Other League to Nautical Mile conversions

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

League to Nautical Mile Conversion Table

League (lea)	Nautical Mile (nmi)
0.5	1.303464
1	2.606929
2	5.213857
5	13.034644
10	26.069287
15	39.103931
20	52.138575
25	65.173218
50	130.346436
100	260.692873
250	651.732181
500	1,303.464363
1000	2,606.928726

Nautical Mile to League Conversion Table

Nautical Mile (nmi)	League (lea)
0.5	0.191797
1	0.383593
2	0.767186
5	1.917966
10	3.835931
15	5.753897
20	7.671863
25	9.589829
50	19.179657
100	38.359315
250	95.898287
500	191.796575
1000	383.593149

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.

League (lea)

Length

Exact conversion

Traceable to the metre, defined by fixing the speed of light in vacuum at 299 792 458 m/s. Imperial lengths derive from the 1959 international yard (0.9144 m exactly).

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · 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 League to Nautical Mile

To convert from League (lea) to Nautical Mile (nmi), multiply the value by 2.6069287257.

Formula: nmi = lea × 2.6069287257

Reverse: lea = nmi × 0.3835931493

Step-by-Step Example

Start with your value in League. For example: 5 lea
Multiply by the conversion factor: 5 x 2.6069287257
The result is: 13.034644 nmi

About League

The league (lea) is a unit of distance and length. One league equals 4828.032 metres. UnitConvertLab converts it against every other length unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: length calculations, engineering and science, education.

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 League?

There are exactly 2.6069287257 Nautical Mile in 1 League. This means the conversion factor from League to Nautical Mile is 2.6069287257.

What is the formula to convert League to Nautical Mile?

The formula to convert League to Nautical Mile is: nmi = lea × 2.6069287257. For example, to convert 10 League to Nautical Mile, you would multiply 10 by 2.6069287257.

What is a League?