Not possible to answer ! A micron - is a linear measurement...
GSM is a measurement of weight !
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it is an unit to measurement of length.
10000micron =1centimeter
Answer
A 'micron' is an obsolete term for a micrometer(one-millionth of a metre).
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It is 5 micron. A decimal representation does not imply a change
in the measurement units. If this is required then you need to
specify the units into which the quantity is to be converted.
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-- nanometer
-- micrometer (micron)
-- millimeter
-- meter
-- kilometer
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Micron is a metric unit of measurement and is one millionth of a
meter.
Mil is a unit of linear measurement in the FPS (Foot Pound
Second) system. One mil is one thousandth of an inch.