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Convert millimeter to astronomical unit
Convert millimeter to astronomical unit with a verified formula, worked example, conversion table, precision guidance, and reverse conversion.
millimeter to astronomical unit
millimeter to astronomical unit
Quick answer
1 millimeter = 6.68458712267E-15 astronomical unit.
Formula
astronomical unit = millimeter × 6.684587122670598840976921669e-15
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 millimeter to astronomical unit
- Enter a value in millimeter.
- Scale the source number by 6.684587122670598840976921669e-15 to express the same quantity in astronomical unit.
- Round the displayed astronomical unit value only when needed.
About these units
millimeter is a unit used in length conversions. Length measures distance or linear extent. Its recorded symbol is mm. astronomical unit is a unit used in length conversions. Length measures distance or linear extent. Its recorded symbol is AU, UA.
Explore related conversions
millimeter to astronomical unit conversion table
| millimeter | astronomical unit |
|---|---|
| 0 millimeter | 0e-42 astronomical unit |
| 1 millimeter | 6.68458712267e-15 astronomical unit |
| 5 millimeter | 3.34229356134e-14 astronomical unit |
| 10 millimeter | 6.68458712267e-14 astronomical unit |
| 25 millimeter | 1.67114678067e-13 astronomical unit |
| 100 millimeter | 6.68458712267e-13 astronomical unit |
Frequently asked questions
How do I convert from millimeter to astronomical unit?
Scale the source number by 6.684587122670598840976921669e-15 to express the same quantity in astronomical unit.
What formula does CalculatorHQ use for millimeter to astronomical unit?
astronomical unit = millimeter × 6.684587122670598840976921669e-15
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 millimeter?
Yes. Use the linked reverse conversion, whose formula is validated against this pair with round-trip tests.