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Convert astronomical unit to light year
Convert astronomical unit to light year with a verified formula, worked example, conversion table, precision guidance, and reverse conversion.
astronomical unit to light year
astronomical unit to light year
Quick answer
1 astronomical unit = 0.0000158125074089 light year.
Formula
light year = astronomical unit × 0.00001581250740887069483178222361
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 astronomical unit to light year
- Enter a value in astronomical unit.
- Multiply the astronomical unit value by 0.00001581250740887069483178222361 to obtain light year.
- Round the displayed light year value only when needed.
About these units
astronomical unit is a unit used in length conversions. Length measures distance or linear extent. Its recorded symbol is AU, UA. light year is a unit used in length conversions. Length measures distance or linear extent. Its recorded symbol is ly.
Explore related conversions
astronomical unit to light year conversion table
| astronomical unit | light year |
|---|---|
| 0 astronomical unit | 0e-32 light year |
| 1 astronomical unit | 0.0000158125074089 light year |
| 5 astronomical unit | 0.0000790625370444 light year |
| 10 astronomical unit | 0.000158125074089 light year |
| 25 astronomical unit | 0.000395312685222 light year |
| 100 astronomical unit | 0.00158125074089 light year |
Frequently asked questions
How do I convert from astronomical unit to light year?
Multiply the astronomical unit value by 0.00001581250740887069483178222361 to obtain light year.
What formula does CalculatorHQ use for astronomical unit to light year?
light year = astronomical unit × 0.00001581250740887069483178222361
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 light year back to astronomical unit?
Yes. Use the linked reverse conversion, whose formula is validated against this pair with round-trip tests.