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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+
Alen or aln is a traditional Scandinavian unit of distance similar to the north German elle: roughly 60 centimeters. The Danish alen, also used in Norway, was equal to 62.77 centimeters (2 Danish fod). The Swedish aln was 59.38 centimeters.
In relation to the base unit of [length] => (meters), 1 Millimeters (mm) is equal to 0.001 meters, while 1 Alens (aln) = 0.593778 meters.| 1998000000000 Millimeters | to common length units |
|---|---|
| 1998000000000 mm | = 1998000000 meters (m) |
| 1998000000000 mm | = 1998000 kilometers (km) |
| 1998000000000 mm | = 199800000000 centimeters (cm) |
| 1998000000000 mm | = 6555118110.2362 feet (ft) |
| 1998000000000 mm | = 78661417322.835 inches (in) |
| 1998000000000 mm | = 2185039370.0787 yards (yd) |
| 1998000000000 mm | = 1241499.6420902 miles (mi) |
| 1998000000000 mm | = 2.1118275023782E-7 light years (ly) |
| 1998000000000 mm | = 7551497014361.8 pixels (PX) |
| 1998000000000 mm | = 1.24875E+44 planck length (pl) |