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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+
A unit of length used to measure nuclear distances, = 10−15 meter. Named for the Italian physicist Enrico Fermi (1901–1954). Now obsolete, replaced by the SI term femtometer (symbol, fm); 1 fermi = 1 femtometer.
In relation to the base unit of [length] => (meters), 1 Light Years (ly) is equal to 9461000000000000 meters, while 1 Fermi (fermi) = 1.0E-15 meters.| 1 Light Years | to common length units |
|---|---|
| 1 ly | = 9461000000000000 meters (m) |
| 1 ly | = 9461000000000 kilometers (km) |
| 1 ly | = 9.461E+17 centimeters (cm) |
| 1 ly | = 3.1040026246719E+16 feet (ft) |
| 1 ly | = 3.7248031496063E+17 inches (in) |
| 1 ly | = 1.0346675415573E+16 yards (yd) |
| 1 ly | = 5878792849757.4 miles (mi) |
| 1 ly | = 1 light years (ly) |
| 1 ly | = 3.575811474118E+19 pixels (PX) |
| 1 ly | = 5.913125E+50 planck length (pl) |
| Light Years | to Fermi (table conversion) |
|---|---|
| 1 ly | = 9.461E+30 fermi |
| 2 ly | = 1.8922E+31 fermi |
| 3 ly | = 2.8383E+31 fermi |
| 4 ly | = 3.7844E+31 fermi |
| 5 ly | = 4.7305E+31 fermi |
| 6 ly | = 5.6766E+31 fermi |
| 7 ly | = 6.6227E+31 fermi |
| 8 ly | = 7.5688E+31 fermi |
| 9 ly | = 8.5149E+31 fermi |
| 10 ly | = 9.461E+31 fermi |
| 20 ly | = 1.8922E+32 fermi |
| 30 ly | = 2.8383E+32 fermi |
| 40 ly | = 3.7844E+32 fermi |
| 50 ly | = 4.7305E+32 fermi |
| 60 ly | = 5.6766E+32 fermi |
| 70 ly | = 6.6227E+32 fermi |
| 80 ly | = 7.5688E+32 fermi |
| 90 ly | = 8.5149E+32 fermi |
| 100 ly | = 9.461E+32 fermi |
| 200 ly | = 1.8922E+33 fermi |
| 300 ly | = 2.8383E+33 fermi |
| 400 ly | = 3.7844E+33 fermi |
| 500 ly | = 4.7305E+33 fermi |
| 600 ly | = 5.6766E+33 fermi |
| 700 ly | = 6.6227E+33 fermi |
| 800 ly | = 7.5688E+33 fermi |
| 900 ly | = 8.5149E+33 fermi |
| 1000 ly | = 9.461E+33 fermi |
| 2000 ly | = 1.8922E+34 fermi |
| 4000 ly | = 3.7844E+34 fermi |
| 5000 ly | = 4.7305E+34 fermi |
| 7500 ly | = 7.09575E+34 fermi |
| 10000 ly | = 9.461E+34 fermi |
| 25000 ly | = 2.36525E+35 fermi |
| 50000 ly | = 4.7305E+35 fermi |
| 100000 ly | = 9.461E+35 fermi |
| 1000000 ly | = 9.461E+36 fermi |
| 1000000000 ly | = 9.461E+39 fermi |