Astronomical Units to Millimeters (au → mm)
Formula
1 au = 149600000000000 mmConversion Table
| au | mm |
|---|---|
| 0 | 0 |
| 1.0000 | 149,600,000,000,000 |
| 2.0000 | 299,200,000,000,000 |
| 3.0000 | 448,800,000,000,000 |
| 4.0000 | 598,400,000,000,000 |
| 5.0000 | 748,000,000,000,000 |
| 6.0000 | 897,600,000,000,000 |
| 7.0000 | 1,047,200,000,000,000 |
| 8.0000 | 1,196,800,000,000,000 |
| 9.0000 | 1,346,400,000,000,000 |
| 10.000 | 1,496,000,000,000,000 |
| 11.000 | 1,645,600,000,000,000 |
| 12.000 | 1,795,200,000,000,000 |
| 13.000 | 1,944,800,000,000,000 |
| 14.000 | 2,094,400,000,000,000 |
| 15.000 | 2,244,000,000,000,000 |
| 16.000 | 2,393,600,000,000,000 |
| 17.000 | 2,543,200,000,000,000 |
| 18.000 | 2,692,800,000,000,000 |
| 19.000 | 2,842,400,000,000,000 |
| au | mm |
|---|---|
| 20.000 | 2,992,000,000,000,000 |
| 21.000 | 3,141,600,000,000,000 |
| 22.000 | 3,291,200,000,000,000 |
| 23.000 | 3,440,800,000,000,000 |
| 24.000 | 3,590,400,000,000,000 |
| 25.000 | 3,740,000,000,000,000 |
| 26.000 | 3,889,600,000,000,000 |
| 27.000 | 4,039,200,000,000,000 |
| 28.000 | 4,188,800,000,000,000 |
| 29.000 | 4,338,400,000,000,000 |
| 30.000 | 4,488,000,000,000,000 |
| 31.000 | 4,637,600,000,000,000 |
| 32.000 | 4,787,200,000,000,000 |
| 33.000 | 4,936,800,000,000,000 |
| 34.000 | 5,086,400,000,000,000 |
| 35.000 | 5,236,000,000,000,000 |
| 36.000 | 5,385,600,000,000,000 |
| 37.000 | 5,535,200,000,000,000 |
| 38.000 | 5,684,800,000,000,000 |
| 39.000 | 5,834,400,000,000,000 |
| au | mm |
|---|---|
| 40.000 | 5,984,000,000,000,000 |
| 41.000 | 6,133,600,000,000,000 |
| 42.000 | 6,283,200,000,000,000 |
| 43.000 | 6,432,800,000,000,000 |
| 44.000 | 6,582,400,000,000,000 |
| 45.000 | 6,732,000,000,000,000 |
| 46.000 | 6,881,600,000,000,000 |
| 47.000 | 7,031,200,000,000,000 |
| 48.000 | 7,180,800,000,000,000 |
| 49.000 | 7,330,400,000,000,000 |
| 50.000 | 7,480,000,000,000,000 |
| 51.000 | 7,629,600,000,000,000 |
| 52.000 | 7,779,200,000,000,000 |
| 53.000 | 7,928,800,000,000,000 |
| 54.000 | 8,078,400,000,000,000 |
| 55.000 | 8,228,000,000,000,000 |
| 56.000 | 8,377,600,000,000,000 |
| 57.000 | 8,527,200,000,000,000 |
| 58.000 | 8,676,800,000,000,000 |
| 59.000 | 8,826,400,000,000,000 |
| au | mm |
|---|---|
| 60.000 | 8,976,000,000,000,000 |
| 61.000 | 9,125,600,000,000,000 |
| 62.000 | 9,275,200,000,000,000 |
| 63.000 | 9,424,800,000,000,000 |
| 64.000 | 9,574,400,000,000,000 |
| 65.000 | 9,724,000,000,000,000 |
| 66.000 | 9,873,600,000,000,000 |
| 67.000 | 10,023,000,000,000,000 |
| 68.000 | 10,173,000,000,000,000 |
| 69.000 | 10,322,000,000,000,000 |
| 70.000 | 10,472,000,000,000,000 |
| 71.000 | 10,622,000,000,000,000 |
| 72.000 | 10,771,000,000,000,000 |
| 73.000 | 10,921,000,000,000,000 |
| 74.000 | 11,070,000,000,000,000 |
| 75.000 | 11,220,000,000,000,000 |
| 76.000 | 11,370,000,000,000,000 |
| 77.000 | 11,519,000,000,000,000 |
| 78.000 | 11,669,000,000,000,000 |
| 79.000 | 11,818,000,000,000,000 |
Astronomical Units to Millimeters Conversion
Converting Astronomical Units (au) to Millimeters (mm) is a common length conversion. 1 au equals 149,600,000,000,000 mm. For example, 100 au is equal to 14,960,000,000,000,000 mm.
Quick Mental Math: Astronomical Units to Millimeters
Reference a linear anchor between astronomical units and millimeters; use one memorable value.
Why is converting Astronomical Units to Millimeters tricky?
Magnitude or direction confusion between astronomical-units and millimeters is the primary error source.
Quick Reference Values
1 au = 149,600,000,000,000 mm. 5 au = 748,000,000,000,000 mm. 10 au = 1,496,000,000,000,000 mm. 25 au = 3,740,000,000,000,000 mm. 50 au = 7,480,000,000,000,000 mm. 100 au = 14,960,000,000,000,000 mm.
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 Millimeters?
Millimeters (mm) is a unit of length. A millimeter (mm) is a unit of length equal to one-thousandth of a meter, the SI base unit of length. It measures small distances and thicknesses with precision in engineering, manufacturing, and construction [bipm-si-brochure]. One millimeter equals exactly 0.001 meters or 10^-3 meters. The meter was defined in 1793 during the French Revolution, with the millimeter introduced as a decimal subdivision in the metric system. International standards bodies like BIPM later formalized its exact value to maintain global uniformity [bipm-si-brochure]. Millimeters are used worldwide in technical drawings, engineering specifications, and everyday measurements such as clothing and manufacturing tolerances. ISO standards mandate millimeter precision in many industrial applications [iso-80000].
Common Misspellings
People often search for this conversion using these alternate spellings: astronomical unit, au unit, astronomic unit, astronomical unites, milimeters, milimeter, millimter, mm. All of these refer to the Astronomical Units to Millimeters conversion.