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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, f ..more definition+
The light-second is a unit of length useful in astronomy, telecommunications and relativistic physics. It is defined as the distance that light travels in free space ..more definition+
In relation to the base unit of [length] => (meters), 1 Astronomical Unit (au) is equal to 149597870700 meters, while 1 Light Seconds (ls) = 299800000 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 Light Seconds (table conversion) |
|---|---|
| 1 au | = 498.99223048699 ls |
| 2 au | = 997.98446097398 ls |
| 3 au | = 1496.976691461 ls |
| 4 au | = 1995.968921948 ls |
| 5 au | = 2494.961152435 ls |
| 6 au | = 2993.9533829219 ls |
| 7 au | = 3492.9456134089 ls |
| 8 au | = 3991.9378438959 ls |
| 9 au | = 4490.9300743829 ls |
| 10 au | = 4989.9223048699 ls |
| 20 au | = 9979.8446097398 ls |
| 30 au | = 14969.76691461 ls |
| 40 au | = 19959.68921948 ls |
| 50 au | = 24949.61152435 ls |
| 60 au | = 29939.533829219 ls |
| 70 au | = 34929.456134089 ls |
| 80 au | = 39919.378438959 ls |
| 90 au | = 44909.300743829 ls |
| 100 au | = 49899.223048699 ls |
| 200 au | = 99798.446097398 ls |
| 300 au | = 149697.6691461 ls |
| 400 au | = 199596.8921948 ls |
| 500 au | = 249496.1152435 ls |
| 600 au | = 299395.33829219 ls |
| 700 au | = 349294.56134089 ls |
| 800 au | = 399193.78438959 ls |
| 900 au | = 449093.00743829 ls |
| 1000 au | = 498992.23048699 ls |
| 2000 au | = 997984.46097398 ls |
| 4000 au | = 1995968.921948 ls |
| 5000 au | = 2494961.152435 ls |
| 7500 au | = 3742441.7286524 ls |
| 10000 au | = 4989922.3048699 ls |
| 25000 au | = 12474805.762175 ls |
| 50000 au | = 24949611.52435 ls |
| 100000 au | = 49899223.048699 ls |
| 1000000 au | = 498992230.48699 ls |
| 1000000000 au | = 498992230486.99 ls |