How to convert astronomical units to chains (US survey)
1 astronomical unit is equal to 7,436,449,709 chains (US survey), and 1 chain (us survey) is equal to 1.344727712 × 10⁻¹⁰ astronomical units. To convert, multiply by the conversion factor:
chains (US survey) = astronomical units × 7,436,449,709
chains (US survey) = astronomical units ÷ 1.344727712 × 10⁻¹⁰Example: convert 1 au to ch (US): 1 × 7,436,449,709 = 7,436,449,709 ch (US).
Astronomical Unit to Chain (US Survey) conversion table
| Astronomical Unit (au) | Chain (US Survey) (ch (US)) |
|---|---|
| 0.01 au | 74,364,497.09 ch (US) |
| 0.1 au | 743,644,970.9 ch (US) |
| 1 au | 7,436,449,709 ch (US) |
| 2 au | 14,872,899,420 ch (US) |
| 3 au | 22,309,349,130 ch (US) |
| 5 au | 37,182,248,540 ch (US) |
| 10 au | 74,364,497,090 ch (US) |
| 20 au | 148,728,994,200 ch (US) |
| 50 au | 371,822,485,400 ch (US) |
| 100 au | 743,644,970,900 ch (US) |
| 250 au | 1,859,112,427,000 ch (US) |
| 500 au | 3,718,224,854,000 ch (US) |
| 1,000 au | 7,436,449,709,000 ch (US) |
About the astronomical unit
The astronomical unit is exactly 149,597,870,700 m, roughly the average distance from Earth to the Sun. It's used for distances within the solar system.
Symbol: au · 1 au = 149,597,870,700 m · Category: Astronomical
About the chain (us survey)
The US survey chain is 66 US survey feet, about 20.11684 m, used in the US Public Land Survey System.
Symbol: ch (US) · 1 ch (US) = 20.11684023 m · Category: US survey units