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| Meanings of SI prefixes | The SI uses convenient sub-units and multiples, as given in the table
above. For example, a kilometer, abbreviated km, is 1000 meters. For another,
the length of the year is 31.6 million seconds, or 31.6 Ms. (For those
who remember that p = 3.14159..., it may be
convenient to think of the year as being close to 10p
Ms.)
For use in formulas, the mass should be in kg, it is best to think of a gram as a milli-kilogram. (Oh, for a better name for the mass unit!) |
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| Micro,
in other words ... |
Note!! the prefix mc for micro
is used by pharmacists and others in the medical profession (look at ingredients
on vitamin bottles) but is NOT an SI abbreviation.
For more, see National Inst. for Standards & Technology (NIST) |
The
Energy Advocate