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Convert light year to astronomical unit
Convert light year to astronomical unit with a verified formula, worked example, conversion table, precision guidance, and reverse conversion.
light year to astronomical unit
light year to astronomical unit
Quick answer
1 light year = 63241.0770881 astronomical unit.
Formula
astronomical unit = light year × 63241.07708806559700446719241
Precision
The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.
How to convert light year to astronomical unit
- Enter a value in light year.
- Use the scale factor 63241.07708806559700446719241: astronomical unit equals light year multiplied by this factor.
- Round the displayed astronomical unit value only when needed.
About these units
light year is a unit used in length conversions. Length measures distance or linear extent. Its recorded symbol is ly. astronomical unit is a unit used in length conversions. Length measures distance or linear extent. Its recorded symbol is AU, UA.
Explore related conversions
light year to astronomical unit conversion table
| light year | astronomical unit |
|---|---|
| 0 light year | 0e-23 astronomical unit |
| 1 light year | 63241.0770881 astronomical unit |
| 5 light year | 316205.385440 astronomical unit |
| 10 light year | 632410.770881 astronomical unit |
| 25 light year | 1581026.92720 astronomical unit |
| 100 light year | 6324107.70881 astronomical unit |
Frequently asked questions
How do I convert from light year to astronomical unit?
Use the scale factor 63241.07708806559700446719241: astronomical unit equals light year multiplied by this factor.
What formula does CalculatorHQ use for light year to astronomical unit?
astronomical unit = light year × 63241.07708806559700446719241
How should I round the result?
The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.
Can I convert astronomical unit back to light year?
Yes. Use the linked reverse conversion, whose formula is validated against this pair with round-trip tests.