Converting ppm to mg %?

[lmwg]

How do I convert ppm to mg%?

[Knight]

How do I convert ppm to mg%?

Remember that "per" in a mathmatical sense means devided by, so parts per million really means parts divided by one million...

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1,000,000 ppm = 1,000,000 / 1,000,000 = 1        or 100%
  100,000 ppm =   100,000 / 1,000,000 = 0.1      or 10%
   10,000 ppm =    10,000 / 1,000,000 = 0.01     or 1%
    1,000 ppm =     1,000 / 1,000,000 = 0.001    or 0.1%
      100 ppm =       100 / 1,000,000 = 0.0001   or 0.01%
       10 ppm =        10 / 1,000,000 = 0.00001  or 0.001%
        1 ppm =         1 / 1,000,000 = 0.000001 or 0.0001%

If you have one liter of solution that has 1 ppm of mysterium in it, you basically divide the liter of solution into one million parts. Each part then would be 1 millionth of a liter. or 1e-6 liters. Of these million parts, 999,999 of them are the solution, and one of them is mysterium. That would mean you have 1 microliter of mysterium. you want milliliters. so you have 0.001 milliliters of mysterium.