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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+
A unit of length equal to one thousandth (10−3) of an inch (0.0254 millimeter = 0.0000254 meter), used, for example, to specify the diameter of wire or the thickness of materials sold in sheets. A mil also called a thousandth of an inch, or thou.
In relation to the base unit of [length] => (meters), 1 Millimeters (mm) is equal to 0.001 meters, while 1 Mils (mil) = 2.54E-5 meters.| 991000000 Millimeters | to common length units |
|---|---|
| 991000000 mm | = 991000 meters (m) |
| 991000000 mm | = 991 kilometers (km) |
| 991000000 mm | = 99100000 centimeters (cm) |
| 991000000 mm | = 3251312.335958 feet (ft) |
| 991000000 mm | = 39015748.031496 inches (in) |
| 991000000 mm | = 1083770.7786527 yards (yd) |
| 991000000 mm | = 615.7788515072 miles (mi) |
| 991000000 mm | = 1.0474579854138E-10 light years (ly) |
| 991000000 mm | = 3745512282.8992 pixels (PX) |
| 991000000 mm | = 6.19375E+40 planck length (pl) |