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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 ..more definition+
In relation to the base unit of [length] => (meters), 1 Light Hours (lh) is equal to 1079000000000 meters, while 1 Millimeters (mm) = 0.001 meters.| 8381956143 Light Hours | to common length units |
|---|---|
| 8381956143 lh | = 9.044130678297E+21 meters (m) |
| 8381956143 lh | = 9.044130678297E+18 kilometers (km) |
| 8381956143 lh | = 9.044130678297E+23 centimeters (cm) |
| 8381956143 lh | = 2.9672344745069E+22 feet (ft) |
| 8381956143 lh | = 3.5606813694083E+23 inches (in) |
| 8381956143 lh | = 9.8907815816896E+21 yards (yd) |
| 8381956143 lh | = 5.6197622623237E+18 miles (mi) |
| 8381956143 lh | = 955938.1332097 light years (ly) |
| 8381956143 lh | = 3.4182545452782E+25 pixels (PX) |
| 8381956143 lh | = 5.6525816739356E+56 planck length (pl) |