Convert Astronomical Unit to Twain - Free Calculator
Fast, accurate all length conversions conversion calculator. Convert astronomical unit to twain instantly with precise results.
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How to Convert Astronomical Unit to Twain
Use this free online calculator to convert Astronomical Unit to Twain instantly. This all length conversions conversion tool provides accurate results for all your measurement needs.
Quick Reference
Astronomical Unit to Twain Conversion Formula
To convert Astronomical Unit to Twain, multiply by 40900472448.46.
To convert Twain back to Astronomical Unit, divide by 40900472448.46 (or multiply by 2.445e-11).
About These Units
About Astronomical Unit
An Astronomical Unit is approximately the mean distance between the Earth and the Sun. It is a derived constant and used to indicate distances within the solar system. Its formal definition is the radius of an unperturbed circular orbit a massless body would revolve about the sun in 2*(pi)/k days (i.e., 365.2568983.... days), where k is defined as the Gaussian constant exactly equal to 0.01720209895. Since an AU is based on radius of a circular orbit, one AU is actually slightly less than the average distance between the Earth and the Sun (approximately 150 million km or 93 million miles).
About Twain
The twain is an old word for the number two, derived from the Anglo-Saxon twegen. The American author Samuel Clemens (1835-1910), who had been a riverboat pilot on the Mississippi in his youth, took his literary name from a traditional riverboat phrase "mark twain", meaning "exactly two" fathoms of water. This was the minimum depth needed for the boats to operate safely without running aground.
Astronomical Unit to Twain Conversion Table
| Astronomical Unit | Twain | Twain | Astronomical Unit |
|---|---|---|---|
| 0.1 | 4090047244.85 | 0.1 | 2.445e-12 |
| 0.5 | 20450236224.23 | 0.5 | 1.222e-11 |
| 1 | 40900472448.46 | 1 | 2.445e-11 |
| 2 | 81800944896.93 | 2 | 4.890e-11 |
| 5 | 204502362242.32 | 5 | 1.222e-10 |
| 10 | 409004724484.65 | 10 | 2.445e-10 |
| 20 | 818009448969.29 | 20 | 4.890e-10 |
| 25 | 1022511811211.61 | 25 | 6.112e-10 |
| 50 | 2045023622423.23 | 50 | 1.222e-9 |
| 100 | 4090047244846.45 | 100 | 2.445e-9 |
| 250 | 10225118112116.13 | 250 | 6.112e-9 |
| 500 | 20450236224232.27 | 500 | 1.222e-8 |
| 1000 | 40900472448464.54 | 1000 | 2.445e-8 |
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