The astronomical unit (symbol au, or ua) is a unit of length, roughly the distance from Earth to the Sun. However, that distance varies as Earth orbits the Sun, from a maximum (aphelion) to a minimum (peri ..more definition+
In relation to the base unit of [length] => (meters), 1 Astronomical Unit (au) is equal to 149597870700 meters, while 1 Roman Actus (actus) = 35.5 meters.| 1 Astronomical Unit | to common length units |
|---|---|
| 1 au | = 149597870700 meters (m) |
| 1 au | = 149597870.7 kilometers (km) |
| 1 au | = 14959787070000 centimeters (cm) |
| 1 au | = 490806662401.57 feet (ft) |
| 1 au | = 5889679948818.9 inches (in) |
| 1 au | = 163602220800.52 yards (yd) |
| 1 au | = 92955807.273026 miles (mi) |
| 1 au | = 1.5812056939013E-5 light years (ly) |
| 1 au | = 5.6540934631929E+14 pixels (PX) |
| 1 au | = 9.34986691875E+45 planck length (pl) |
| Astronomical Unit | to Roman Actus (table conversion) |
|---|---|
| 1 au | = 4214024526.7606 actus |
| 2 au | = 8428049053.5211 actus |
| 3 au | = 12642073580.282 actus |
| 4 au | = 16856098107.042 actus |
| 5 au | = 21070122633.803 actus |
| 6 au | = 25284147160.563 actus |
| 7 au | = 29498171687.324 actus |
| 8 au | = 33712196214.085 actus |
| 9 au | = 37926220740.845 actus |
| 10 au | = 42140245267.606 actus |
| 20 au | = 84280490535.211 actus |
| 30 au | = 126420735802.82 actus |
| 40 au | = 168560981070.42 actus |
| 50 au | = 210701226338.03 actus |
| 60 au | = 252841471605.63 actus |
| 70 au | = 294981716873.24 actus |
| 80 au | = 337121962140.85 actus |
| 90 au | = 379262207408.45 actus |
| 100 au | = 421402452676.06 actus |
| 200 au | = 842804905352.11 actus |
| 300 au | = 1264207358028.2 actus |
| 400 au | = 1685609810704.2 actus |
| 500 au | = 2107012263380.3 actus |
| 600 au | = 2528414716056.3 actus |
| 700 au | = 2949817168732.4 actus |
| 800 au | = 3371219621408.5 actus |
| 900 au | = 3792622074084.5 actus |
| 1000 au | = 4214024526760.6 actus |
| 2000 au | = 8428049053521.1 actus |
| 4000 au | = 16856098107042 actus |
| 5000 au | = 21070122633803 actus |
| 7500 au | = 31605183950704 actus |
| 10000 au | = 42140245267606 actus |
| 25000 au | = 1.0535061316901E+14 actus |
| 50000 au | = 2.1070122633803E+14 actus |
| 100000 au | = 4.2140245267606E+14 actus |
| 1000000 au | = 4.2140245267606E+15 actus |
| 1000000000 au | = 4.2140245267606E+18 actus |