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Light Years to AU Converter

Convert light years to astronomical units with accurate formulas, examples and conversion tables.

Length conversion

Calculator

Results update instantly. Use Calculate to confirm the current conversion.

Decimals and negative values are supported.

Result

63,241.07708427 AU

1 ly ≈ 63,241.07708427 AU

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Open a focused converter for a commonly searched length conversion.

Centimeters to Inches1 cm = 0.39370079 inInches to Centimeters1 in = 2.54 cmMeters to Feet1 m = 3.2808399 ftFeet to Meters1 ft = 0.3048 mKilometers to Miles1 km = 0.62137119 miMiles to Kilometers1 mi = 1.609344 kmMillimeters to Inches1 mm = 0.03937008 inInches to Millimeters1 in = 25.4 mmYards to Meters1 yd = 0.9144 mMeters to Yards1 m = 1.0936133 yd

Conversion table

Common light years to astronomical units values, generated from the selected units.

light years (ly)astronomical units (AU)
1 light year63,241.07708427 astronomical units
5 light years316,205.38542133 astronomical units
10 light years632,410.77084266 astronomical units
20 light years1,264,821.54168533 astronomical units
50 light years3,162,053.85421331 astronomical units
100 light years6,324,107.70842663 astronomical units

Conversion Formula

Multiply the value in light years by 63241.07708426628 to get astronomical units.

FormulaAU = ly × 63241.07708426628

Example

Convert 1 light year to astronomical units:

1 × 63241.07708426628= 63,241.07708427 AU

Unit information

Concise reference information for the selected source and target units.

Light year (ly)

Scientific
1 ly = 9.460730472581e15 m
Definition
A light year is the distance light travels in vacuum during one Julian year.
Usage
Used to describe distances between stars and other objects beyond the solar system.

Astronomical unit (AU)

Scientific
1 AU = 149,597,870,700 m
Definition
One astronomical unit equals exactly 149,597,870,700 meters.
Usage
Used for distances within the solar system.
Light Years to AU tableReference chart and common light year-to-astronomical unit values.Astronomical units to Light yearsConvert astronomical units to light years.Light years to MillimetersConvert light years to millimeters.Light years to CentimetersConvert light years to centimeters.Light years to MetersConvert light years to meters.Light years to KilometersConvert light years to kilometers.Light years to InchesConvert light years to inches.Light years to FeetConvert light years to feet.

Frequently asked questions

How many astronomical units are in 1 light year?

1 light year equals 63,241.07708426628 astronomical units.

How do you convert light years to astronomical units?

Multiply the value in light years by 63241.07708426628 to get astronomical units. The formula is AU = ly × 63241.07708426628.

What is 10 light years in astronomical units?

10 light years is approximately 632,410.77084266 astronomical units.