To convert astronomical units to microns, multiply by 149597870700000000.
The calculation uses 1 AU = 149597870700000000 micron. Results are displayed to at most 10 significant digits. Definitions can be exact while a displayed decimal is rounded. Match the displayed precision to your original measurement.
The formula
value in micron = value in AU × 149597870700000000
AU- Input unit: astronomical units
micron- Output unit: microns
How to use this calculator
- Enter a value in AU.
- Multiply by the stored conversion factor.
- Read the result in micron; divide by the same factor to convert back.
Worked examples
Worked conversion
1 AU × 149597870700000000 ≈ 149597870700000000 micron.
Reverse conversion
149597870700000000 micron ÷ 149597870700000000 ≈ 1 AU. Rounding intermediate values can change the last displayed digit.
Frequently asked questions
What factor does this converter use?
It uses 149597870700000000 micron per AU.
Why can another converter show a slightly different answer?
Check the unit convention first (such as US versus Imperial or decimal versus binary), then compare rounding. Measurement uncertainty is separate from the unit conversion.
AU to micron table
| AU | micron (rounded) |
|---|---|
| 0 | 0 |
| 1 | 149597870700000000 |
| 2 | 299195741400000000 |
| 5 | 747989353500000000 |
| 10 | 1495978707000000000 |
| 100 | 14959787070000000000 |
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