To convert astronomical units to chains, multiply by 7436464582.
The calculation uses 1 AU = 7436464582 ch. 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 ch = value in AU × 7436464582
AU- Input unit: astronomical units
ch- Output unit: chains
How to use this calculator
- Enter a value in AU.
- Multiply by the stored conversion factor.
- Read the result in ch; divide by the same factor to convert back.
Worked examples
Worked conversion
1 AU × 7436464582 ≈ 7436464582 ch.
Reverse conversion
7436464582 ch ÷ 7436464582 ≈ 1 AU. Rounding intermediate values can change the last displayed digit.
Frequently asked questions
What factor does this converter use?
It uses 7436464582 ch 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 ch table
| AU | ch (rounded) |
|---|---|
| 0 | 0 |
| 1 | 7436464582 |
| 2 | 14872929160 |
| 5 | 37182322910 |
| 10 | 74364645820 |
| 100 | 743646458200 |
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