Astronomical Unit to League Converter
Convert Astronomical Unit (AU) to League (lea) instantly. 1 AU = 30,985,269.091009 lea.
Length Converter
31 units available
1 AU = 30,985,269.091009 lea
Formula:
lea = AU × 30,985,269.09100851With your value: 1 AU = 30,985,269.09100851 lea
How big is that?
Everyday references on a logarithmic scale, all expressed in astronomical unit so you can sanity-check the result.
Other Astronomical Unit to League conversions
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 |
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 |
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.
Astronomical Unit (AU)
Length
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
League (lea)
Length
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
How to Convert Astronomical Unit to League
To convert from Astronomical Unit (AU) to League (lea), multiply the value by 30,985,269.09100851.
Formula: lea = AU × 30,985,269.09100851
Reverse: AU = lea × 3.227340e-8
Step-by-Step Example
- Start with your value in Astronomical Unit. For example: 5 AU
- Multiply by the conversion factor: 5 x 30,985,269.09100851
- The result is: 154,926,345.455043 lea
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.
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.
Frequently Asked Questions
How many League are in 1 Astronomical Unit?
There are exactly 30,985,269.09100851 League in 1 Astronomical Unit. This means the conversion factor from Astronomical Unit to League is 30,985,269.09100851.
What is the formula to convert Astronomical Unit to League?
The formula to convert Astronomical Unit to League is: lea = AU × 30,985,269.09100851. For example, to convert 10 Astronomical Unit to League, you would multiply 10 by 30,985,269.09100851.
What is a 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.
What is a 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.
What are the common uses of Astronomical Unit?
The Astronomical Unit is commonly used in planetary science, orbital mechanics, astronomy.
Related Length Conversions
Cite this page
UnitConvertLab. (2026). Astronomical Unit to League converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/astronomical_unit-to-league