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A light-year (abbreviation: ly), sometimes referred to incorrectly as a light year, is a unit of length used informally to express astronomical distances. It is approxi ..more definition+
In relation to the base unit of [length] => (meters), 1 Roman Actus (actus) is equal to 35.5 meters, while 1 Light Years (ly) = 9461000000000000 meters.| 1901000000000 Roman Actus | to common length units |
|---|---|
| 1901000000000 actus | = 67485500000000 meters (m) |
| 1901000000000 actus | = 67485500000 kilometers (km) |
| 1901000000000 actus | = 6.74855E+15 centimeters (cm) |
| 1901000000000 actus | = 2.2140912073491E+14 feet (ft) |
| 1901000000000 actus | = 2.6569094488189E+15 inches (in) |
| 1901000000000 actus | = 73803040244969 yards (yd) |
| 1901000000000 actus | = 41933545593.733 miles (mi) |
| 1901000000000 actus | = 0.0071330197653525 light years (ly) |
| 1901000000000 actus | = 2.5506333922058E+17 pixels (PX) |
| 1901000000000 actus | = 4.21784375E+48 planck length (pl) |