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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+
The picometer (symbol: pm) or picometre (International spelling) is a unit of length in the metric system, equal to 1×10−12 m, or one trillionth (1/1000000000 ..more definition+
In relation to the base unit of [length] => (meters), 1 Light Years (ly) is equal to 9461000000000000 meters, while 1 Picometers (pm) = 1.0E-12 meters.| 423000 Light Years | to common length units |
|---|---|
| 423000 ly | = 4.002003E+21 meters (m) |
| 423000 ly | = 4.002003E+18 kilometers (km) |
| 423000 ly | = 4.002003E+23 centimeters (cm) |
| 423000 ly | = 1.3129931102362E+22 feet (ft) |
| 423000 ly | = 1.5755917322835E+23 inches (in) |
| 423000 ly | = 4.3766437007874E+21 yards (yd) |
| 423000 ly | = 2.4867293754474E+18 miles (mi) |
| 423000 ly | = 423000 light years (ly) |
| 423000 ly | = 1.5125682535519E+25 pixels (PX) |
| 423000 ly | = 2.501251875E+56 planck length (pl) |