Convert 40 Kilometers to Astronomical Units
How far is 40 kilometers? How long is 40 kilometers in astronomical units? 40 km to AU conversion.
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40 Kilometers ≈
0.00000026738348 Astronomical Units
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Result in Plain English
40 kilometers is equal to about 267 billionths of a astronomical unit.
In Scientific Notation
40 kilometers
= 4 x 101 kilometers
≈ 2.67383 x 10-7 astronomical units
Kilometers
A kilometer, or kilometre, is a unit of length equal to 1,000 meters, or about 0.621 miles. In most of the world, it is the most common unit for measuring distance between places.
Astronomical Units
An astronomical unit is the average distance between the Earth and the Sun. Estimates of this distance have varied over time. It is now defined as exactly 149,597,870.7 kilometers.