Convert 18 Millimeters to Kilometers
How long is 18 millimeters? How far is 18 millimeters in kilometers? 18 mm to km conversion.
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18 Millimeters =
0.000018 Kilometers
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Result in Plain English
18 millimeters is equal to exactly 18 millionths of a kilometer.
In Scientific Notation
18 millimeters
= 1.8 x 101 millimeters
= 1.8 x 10-5 kilometers
Millimeters
A millimeter, or millimetre, is a unit of length equal to one thousandth of a meter.Abbreviation: mm
Kilometers
A kilometer, or kilometre, is a unit of length equal to 1,000 meters, or about 0.621 miles. In most of the world, it is the most common unit for measuring distance between places.Abbreviation: km