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 approximately 9 trillion kilometers or 6 trillion ..more definition+
The millimeter (symbol = mm), or millimetre (British spelling) is a unit of length in the metric system, equal to one thousandth of a meter, which is the SI base unit of length. It is equal to 1000 micrometers ..more definition+
In relation to the base unit of [length] => (meters), 1 Light Years (ly) is equal to 9461000000000000 meters, while 1 Millimeters (mm) = 0.001 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 Millimeters (table conversion) |
|---|---|
| 1 ly | = 9.461E+18 mm |
| 2 ly | = 1.8922E+19 mm |
| 3 ly | = 2.8383E+19 mm |
| 4 ly | = 3.7844E+19 mm |
| 5 ly | = 4.7305E+19 mm |
| 6 ly | = 5.6766E+19 mm |
| 7 ly | = 6.6227E+19 mm |
| 8 ly | = 7.5688E+19 mm |
| 9 ly | = 8.5149E+19 mm |
| 10 ly | = 9.461E+19 mm |
| 20 ly | = 1.8922E+20 mm |
| 30 ly | = 2.8383E+20 mm |
| 40 ly | = 3.7844E+20 mm |
| 50 ly | = 4.7305E+20 mm |
| 60 ly | = 5.6766E+20 mm |
| 70 ly | = 6.6227E+20 mm |
| 80 ly | = 7.5688E+20 mm |
| 90 ly | = 8.5149E+20 mm |
| 100 ly | = 9.461E+20 mm |
| 200 ly | = 1.8922E+21 mm |
| 300 ly | = 2.8383E+21 mm |
| 400 ly | = 3.7844E+21 mm |
| 500 ly | = 4.7305E+21 mm |
| 600 ly | = 5.6766E+21 mm |
| 700 ly | = 6.6227E+21 mm |
| 800 ly | = 7.5688E+21 mm |
| 900 ly | = 8.5149E+21 mm |
| 1000 ly | = 9.461E+21 mm |
| 2000 ly | = 1.8922E+22 mm |
| 4000 ly | = 3.7844E+22 mm |
| 5000 ly | = 4.7305E+22 mm |
| 7500 ly | = 7.09575E+22 mm |
| 10000 ly | = 9.461E+22 mm |
| 25000 ly | = 2.36525E+23 mm |
| 50000 ly | = 4.7305E+23 mm |
| 100000 ly | = 9.461E+23 mm |
| 1000000 ly | = 9.461E+24 mm |
| 1000000000 ly | = 9.461E+27 mm |