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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.| 203000 Light Hours | to common length units |
|---|---|
| 203000 lh | = 219037000000000000 meters (m) |
| 203000 lh | = 219037000000000 kilometers (km) |
| 203000 lh | = 2.19037E+19 centimeters (cm) |
| 203000 lh | = 7.1862532808399E+17 feet (ft) |
| 203000 lh | = 8.6235039370079E+18 inches (in) |
| 203000 lh | = 2.39541776028E+17 yards (yd) |
| 203000 lh | = 1.3610328183409E+14 miles (mi) |
| 203000 lh | = 23.151569601522 light years (ly) |
| 203000 lh | = 8.2785648224964E+20 pixels (PX) |
| 203000 lh | = 1.36898125E+52 planck length (pl) |