Astronomical Units to Micrometers (au → µm)
Formula
1 au = 149600000000000000 µmConversion Table
| au | µm |
|---|---|
| 0 | 0 |
| 1.0000 | 149,600,000,000,000,000 |
| 2.0000 | 299,200,000,000,000,000 |
| 3.0000 | 448,800,000,000,000,000 |
| 4.0000 | 598,400,000,000,000,000 |
| 5.0000 | 748,000,000,000,000,000 |
| 6.0000 | 897,600,000,000,000,000 |
| 7.0000 | 1,047,200,000,000,000,000 |
| 8.0000 | 1,196,800,000,000,000,000 |
| 9.0000 | 1,346,400,000,000,000,000 |
| 10.000 | 1,496,000,000,000,000,000 |
| 11.000 | 1,645,600,000,000,000,000 |
| 12.000 | 1,795,200,000,000,000,000 |
| 13.000 | 1,944,800,000,000,000,000 |
| 14.000 | 2,094,400,000,000,000,000 |
| 15.000 | 2,244,000,000,000,000,000 |
| 16.000 | 2,393,600,000,000,000,000 |
| 17.000 | 2,543,200,000,000,000,000 |
| 18.000 | 2,692,800,000,000,000,000 |
| 19.000 | 2,842,400,000,000,000,000 |
| au | µm |
|---|---|
| 20.000 | 2,992,000,000,000,000,000 |
| 21.000 | 3,141,600,000,000,000,000 |
| 22.000 | 3,291,200,000,000,000,000 |
| 23.000 | 3,440,800,000,000,000,000 |
| 24.000 | 3,590,400,000,000,000,000 |
| 25.000 | 3,740,000,000,000,000,000 |
| 26.000 | 3,889,600,000,000,000,000 |
| 27.000 | 4,039,200,000,000,000,000 |
| 28.000 | 4,188,800,000,000,000,000 |
| 29.000 | 4,338,400,000,000,000,000 |
| 30.000 | 4,488,000,000,000,000,000 |
| 31.000 | 4,637,600,000,000,000,000 |
| 32.000 | 4,787,200,000,000,000,000 |
| 33.000 | 4,936,800,000,000,000,000 |
| 34.000 | 5,086,400,000,000,000,000 |
| 35.000 | 5,236,000,000,000,000,000 |
| 36.000 | 5,385,600,000,000,000,000 |
| 37.000 | 5,535,200,000,000,000,000 |
| 38.000 | 5,684,800,000,000,000,000 |
| 39.000 | 5,834,400,000,000,000,000 |
| au | µm |
|---|---|
| 40.000 | 5,984,000,000,000,000,000 |
| 41.000 | 6,133,600,000,000,000,000 |
| 42.000 | 6,283,200,000,000,000,000 |
| 43.000 | 6,432,800,000,000,000,000 |
| 44.000 | 6,582,400,000,000,000,000 |
| 45.000 | 6,732,000,000,000,000,000 |
| 46.000 | 6,881,600,000,000,000,000 |
| 47.000 | 7,031,200,000,000,000,000 |
| 48.000 | 7,180,800,000,000,000,000 |
| 49.000 | 7,330,400,000,000,000,000 |
| 50.000 | 7,480,000,000,000,000,000 |
| 51.000 | 7,629,600,000,000,000,000 |
| 52.000 | 7,779,200,000,000,000,000 |
| 53.000 | 7,928,800,000,000,000,000 |
| 54.000 | 8,078,400,000,000,000,000 |
| 55.000 | 8,228,000,000,000,000,000 |
| 56.000 | 8,377,600,000,000,000,000 |
| 57.000 | 8,527,200,000,000,000,000 |
| 58.000 | 8,676,800,000,000,000,000 |
| 59.000 | 8,826,400,000,000,000,000 |
| au | µm |
|---|---|
| 60.000 | 8,976,000,000,000,000,000 |
| 61.000 | 9,125,600,000,000,000,000 |
| 62.000 | 9,275,200,000,000,000,000 |
| 63.000 | 9,424,800,000,000,000,000 |
| 64.000 | 9,574,400,000,000,000,000 |
| 65.000 | 9,724,000,000,000,000,000 |
| 66.000 | 9,873,600,000,000,000,000 |
| 67.000 | 10,023,000,000,000,000,000 |
| 68.000 | 10,173,000,000,000,000,000 |
| 69.000 | 10,322,000,000,000,000,000 |
| 70.000 | 10,472,000,000,000,000,000 |
| 71.000 | 10,622,000,000,000,000,000 |
| 72.000 | 10,771,000,000,000,000,000 |
| 73.000 | 10,921,000,000,000,000,000 |
| 74.000 | 11,070,000,000,000,000,000 |
| 75.000 | 11,220,000,000,000,000,000 |
| 76.000 | 11,370,000,000,000,000,000 |
| 77.000 | 11,519,000,000,000,000,000 |
| 78.000 | 11,669,000,000,000,000,000 |
| 79.000 | 11,818,000,000,000,000,000 |
Astronomical Units to Micrometers Conversion
Converting Astronomical Units (au) to Micrometers (µm) is a common length conversion. 1 au equals 149,600,000,000,000,000 µm. For example, 100 au is equal to 14,960,000,000,000,000,000 µm.
Quick Mental Math: Astronomical Units to Micrometers
Reference a linear anchor between astronomical units and micrometers; use one memorable value.
Why is converting Astronomical Units to Micrometers tricky?
Magnitude or direction confusion between astronomical-units and micrometers is the primary error source.
Quick Reference Values
1 au = 149,600,000,000,000,000 µm. 5 au = 748,000,000,000,000,000 µm. 10 au = 1,496,000,000,000,000,000 µm. 25 au = 3,740,000,000,000,000,000 µm. 50 au = 7,480,000,000,000,000,000 µm. 100 au = 14,960,000,000,000,000,000 µm.
What is Astronomical Units?
Astronomical Units (au) is a unit of length. An astronomical unit (au) is defined as exactly 149,597,870.7 kilometers. It represents the average distance from Earth to the Sun and is used as a standard measure for distances within the solar system [cgpm-resolutions]. The astronomical unit was formally defined by the International Astronomical Union in 2012 to replace earlier approximations and improve measurement precision in celestial mechanics [cgpm-resolutions]. The au is the standard unit of length in astronomy for expressing distances between planets and other solar system bodies. It is used globally by space agencies such as NASA and ESA [nist-cuu].
What is Micrometers?
Micrometers (µm) is a unit of length. A micrometer, symbolized as µm, equals one millionth of a meter or 10⁻⁶ meters. It is the SI derived unit for length used to measure microscopic distances and thicknesses. This precise definition aligns with the International System of Units established by the BIPM [bipm-si-brochure]. The micrometer was standardized in the 20th century following adoption of the meter as the base unit by the CGPM. Its use became widespread in scientific fields requiring fine measurement, formalized in SI documentation [cgpm-resolutions]. The micrometer sees global use in sectors like semiconductor manufacturing, biology, and materials science. Countries with advanced manufacturing industries such as Japan, Germany, and the USA standardize on µm for precise length measurements [nist-si-guide].
Common Misspellings
People often search for this conversion using these alternate spellings: astronomical unit, au unit, astronomic unit, astronomical unites, micronmeter, micrometeres, micomenter, micrmeters. All of these refer to the Astronomical Units to Micrometers conversion.