Micrometer to Astronomical unit
Convert Micrometer to Astronomical unit instantly. Free online scientific unit converter with exact formula, conversion table and FAQ.
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Formula
astronomical unit = micrometer × 6.684587e-18
micrometer = astronomical unit × 1.495979e+17
Conversion table
| 1 um | 6.684587e-18 AU |
| 5 um | 3.342294e-17 AU |
| 10 um | 6.684587e-17 AU |
| 20 um | 1.336917e-16 AU |
| 50 um | 3.342294e-16 AU |
| 100 um | 6.684587e-16 AU |
| 500 um | 3.342294e-15 AU |
| 1000 um | 6.684587e-15 AU |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the micrometer (um). Micrometer is 0.000001 meter units.
What is the destination unit in this conversion?
The destination unit is the astronomical unit (AU). An astronomical unit is the mean Earth-Sun distance.
How do I convert micrometer to astronomical unit?
Multiply the micrometer value by 6.684587e-18. For example, 10 um × 6.684587e-18 = 6.684587e-17 AU.
Is the micrometer to astronomical unit conversion exact?
Yes. The relationship between these units is a fixed mathematical or SI-defined ratio, so the conversion factor is exact rather than a measured approximation.
Where is this conversion commonly used?
It's used whenever a value expressed in micrometer needs to be compared with, or reported in, astronomical unit, such as in engineering, scientific, or laboratory calculations.
Can I convert astronomical unit back to micrometer?
Yes. Multiply the astronomical unit value by 1.495979e+17 to get micrometer.
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About this conversion
This page converts micrometer (um) to astronomical unit (AU) within the scientific units converter.
Micrometer is 0.000001 meter units.
An astronomical unit is the mean Earth-Sun distance.
The formula is astronomical unit = micrometer × 6.684587e-18, based on each unit's fixed relationship to the scientific converter's reference units.
The conversion is exact, since it relies on a fixed numerical ratio between the two units rather than a measured or approximate value.
Use the calculator above for instant results, or the table below for common micrometer values already converted to astronomical unit.