Inches to Astronomical Units (in → au)
Formula
1 in = 1.6978609625668448e-13 auConversion Table
| in | au |
|---|---|
| 0 | 0 |
| 1.0000 | 0.00000000000016979 |
| 2.0000 | 0.00000000000033957 |
| 3.0000 | 0.00000000000050936 |
| 4.0000 | 0.00000000000067914 |
| 5.0000 | 0.00000000000084893 |
| 6.0000 | 0.0000000000010187 |
| 7.0000 | 0.0000000000011885 |
| 8.0000 | 0.0000000000013583 |
| 9.0000 | 0.0000000000015281 |
| 10.000 | 0.0000000000016979 |
| 11.000 | 0.0000000000018676 |
| 12.000 | 0.0000000000020374 |
| 13.000 | 0.0000000000022072 |
| 14.000 | 0.0000000000023770 |
| 15.000 | 0.0000000000025468 |
| 16.000 | 0.0000000000027166 |
| 17.000 | 0.0000000000028864 |
| 18.000 | 0.0000000000030561 |
| 19.000 | 0.0000000000032259 |
| in | au |
|---|---|
| 20.000 | 0.0000000000033957 |
| 21.000 | 0.0000000000035655 |
| 22.000 | 0.0000000000037353 |
| 23.000 | 0.0000000000039051 |
| 24.000 | 0.0000000000040749 |
| 25.000 | 0.0000000000042447 |
| 26.000 | 0.0000000000044144 |
| 27.000 | 0.0000000000045842 |
| 28.000 | 0.0000000000047540 |
| 29.000 | 0.0000000000049238 |
| 30.000 | 0.0000000000050936 |
| 31.000 | 0.0000000000052634 |
| 32.000 | 0.0000000000054332 |
| 33.000 | 0.0000000000056029 |
| 34.000 | 0.0000000000057727 |
| 35.000 | 0.0000000000059425 |
| 36.000 | 0.0000000000061123 |
| 37.000 | 0.0000000000062821 |
| 38.000 | 0.0000000000064519 |
| 39.000 | 0.0000000000066217 |
| in | au |
|---|---|
| 40.000 | 0.0000000000067914 |
| 41.000 | 0.0000000000069612 |
| 42.000 | 0.0000000000071310 |
| 43.000 | 0.0000000000073008 |
| 44.000 | 0.0000000000074706 |
| 45.000 | 0.0000000000076404 |
| 46.000 | 0.0000000000078102 |
| 47.000 | 0.0000000000079799 |
| 48.000 | 0.0000000000081497 |
| 49.000 | 0.0000000000083195 |
| 50.000 | 0.0000000000084893 |
| 51.000 | 0.0000000000086591 |
| 52.000 | 0.0000000000088289 |
| 53.000 | 0.0000000000089987 |
| 54.000 | 0.0000000000091684 |
| 55.000 | 0.0000000000093382 |
| 56.000 | 0.0000000000095080 |
| 57.000 | 0.0000000000096778 |
| 58.000 | 0.0000000000098476 |
| 59.000 | 0.000000000010017 |
| in | au |
|---|---|
| 60.000 | 0.000000000010187 |
| 61.000 | 0.000000000010357 |
| 62.000 | 0.000000000010527 |
| 63.000 | 0.000000000010697 |
| 64.000 | 0.000000000010866 |
| 65.000 | 0.000000000011036 |
| 66.000 | 0.000000000011206 |
| 67.000 | 0.000000000011376 |
| 68.000 | 0.000000000011545 |
| 69.000 | 0.000000000011715 |
| 70.000 | 0.000000000011885 |
| 71.000 | 0.000000000012055 |
| 72.000 | 0.000000000012225 |
| 73.000 | 0.000000000012394 |
| 74.000 | 0.000000000012564 |
| 75.000 | 0.000000000012734 |
| 76.000 | 0.000000000012904 |
| 77.000 | 0.000000000013074 |
| 78.000 | 0.000000000013243 |
| 79.000 | 0.000000000013413 |
Inches to Astronomical Units Conversion
Converting Inches (in) to Astronomical Units (au) is a common length conversion. 1 in equals 0 au. For example, 100 in is equal to 0 au.
Quick Mental Math: Inches to Astronomical Units
Reference a linear anchor between inches and astronomical units; use one memorable value.
Why is converting Inches to Astronomical Units tricky?
Magnitude or direction confusion between inches and astronomical-units is the primary error source.
Quick Reference Values
1 in = 0 au. 5 in = 0 au. 10 in = 0 au. 25 in = 0 au. 50 in = 0 au. 100 in = 0 au.
What is Inches?
Inches (in) is a unit of length. The inch is a unit of length in the imperial and US customary systems, defined exactly as 25.4 millimeters. It is used primarily for measuring small dimensions in construction, manufacturing, and personal height in the US and UK. The exact definition ensures consistent conversion to metric units [nist-si-guide]. The inch traces back to ancient Roman and English measurements, historically based on thumb width. The current exact definition of 25.4 mm was internationally agreed upon in 1959 by the US, UK, Canada, and others to standardize measurements [nist-si-guide]. Inches are primarily used in the United States, Canada, and the United Kingdom for construction, manufacturing, and consumer goods. Internationally, industries convert inches to millimeters for precision and standardization, following ISO and NIST guidelines [nist-si-guide].
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].
Common Misspellings
People often search for this conversion using these alternate spellings: inch, inches, inchess, inchs, inche, astronomical unit, au unit, astronomic unit, astronomical unites. All of these refer to the Inches to Astronomical Units conversion.