text: # PPM to PPB conversion
  
   How to convert PPM to PPB:1ppm = 1/106 = 10-61ppb = 1/109 = 10-9So1ppm = 1000ppbThe number of parts-per billion xppb is equal to the number of parts-per million xppm multiplied by 1000:xppb = xppm * 1000
  
   Example:7ppm is equal to 7000ppb:xppb = 7ppm * 1000 = 7000ppb
  
  PPM to PPB conversion table
  
  PPM PPB
  0.0011
  0.01 10
  0.1 100
  1 1000
  10 10000
  100 100000
  1000 1000000
  10000 10000000