BioMath Calculators

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dsDNA: Picomoles to Micrograms & Nanograms

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How long is your DNA (in base pairs)?
How many pmol of DNA do you have?

You have

  g of DNA
ng of DNA 
pmol DNA  x  660pg  x  g  x  N  =  g DNA


pmol 106pg

or

pmol DNA  x  660pg  x  ng  x  N  =  ng DNA


pmol 103pg

N is the number of nucleotides and
660pg/pmol is the average molecular weight of a nucleotide pair