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Postby Nikki » Wed Sep 06, 2006 5:07 am

How many picograms are in a gram and how many grams are in a nanogram?!
Nikki
 

picograms and nanogram

Postby spider » Wed Sep 06, 2006 9:38 am

The SI unit prefix "pico" stands for multiplier 1x10-12 or 0.000,000,000,001.
Then 1 pg (pico-gram) = 1x10-12 gram = 0.000,000,000,001 gram, and
1 gram = 1x10+12 pg (pico-grams) = 1,000,000,000,000 pg (pico-grams).

The SI unit prefix "nano" stands for multiplier 1x10-9 or 0.000,000,001.
There are 1x10-9 or 0.000,000,001 grams in one nano-gram.

The following URL presents the "SI table of Unit prefixes:"
http://www.aqua-calc.com/page/si-units-prefixes

Best regards,
Alex.
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