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AAT Bioquest

Percentage, ppm and ppb conversion table.

Posted August 5, 2019


Answer
Table 1. Percentage, ppm and ppb conversion table
ppmppbPercentage (%)
0.00110.0000001
0.01100.000001
0.11000.00001
11,0000.0001
1010,0000.001
100100,0000.01
1,0001,000,0000.1
10,00010,000,0001
 
Other conversions:
  • 1 ppm = 1000 ppb
  • 1 mg/kg = 1 ppm
  • 1 g/ton = 1.1 ppm
Additional resources

PPM and PPB Calculator