League to Astronomical Unit Converter

Length Converter

31 units available

Decimals:

From

To

3.227340e-8

1 lea = 3.227340e-8 AU

Formula:

AU = lea × 3.227340e-8

With your value: 1 lea = 3.227340e-8 AU

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 Astronomical Unit conversions

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

League to Astronomical Unit Conversion Table

League (lea)	Astronomical Unit (AU)
0.5	1.613670e-8
1	3.227340e-8
2	6.454680e-8
5	1.613670e-7
10	3.227340e-7
15	4.841010e-7
20	6.454680e-7
25	8.068350e-7
50	1.613670e-6
100	3.227340e-6
250	8.068350e-6
500	1.613670e-5
1000	3.227340e-5

Astronomical Unit to League Conversion Table

Astronomical Unit (AU)	League (lea)
0.5	15,492,634.545504
1	30,985,269.091009
2	61,970,538.182017
5	154,926,345.455043
10	309,852,690.910085
15	464,779,036.365128
20	619,705,381.82017
25	774,631,727.275213
50	1,549,263,454.550426
100	3,098,526,909.100851
250	7,746,317,272.752128
500	15,492,634,545.504255
1000	30,985,269,091.00851

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

Astronomical Unit (AU)

Length

Exact conversion

The astronomical unit is exactly 149 597 870 700 m (IAU Resolution B2, 2012).

Source: IAU Resolution B2 (2012) — definition of the astronomical unit; IAU B2 (2015) nominal values

International Astronomical Union · Reviewed 2026-07-01

How to Convert League to Astronomical Unit

To convert from League (lea) to Astronomical Unit (AU), multiply the value by 3.227340e-8.

Formula: AU = lea × 3.227340e-8

Reverse: lea = AU × 30,985,269.09100851

Step-by-Step Example

Start with your value in League. For example: 5 lea
Multiply by the conversion factor: 5 x 3.227340e-8
The result is: 1.613670e-7 AU

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 Astronomical Unit

The astronomical unit (AU) is defined as exactly 149,597,870,700 metres, close to the mean Earth–Sun distance. It is the natural yardstick for the Solar System.

Common uses: planetary science, orbital mechanics, astronomy.

Frequently Asked Questions

How many Astronomical Unit are in 1 League?

There are exactly 3.227340e-8 Astronomical Unit in 1 League. This means the conversion factor from League to Astronomical Unit is 3.227340e-8.

What is the formula to convert League to Astronomical Unit?

The formula to convert League to Astronomical Unit is: AU = lea × 3.227340e-8. For example, to convert 10 League to Astronomical Unit, you would multiply 10 by 3.227340e-8.

What is a League?