ppm to ppb conversion November 12, 2022 by atmiya25 Enter ppm: ppm ppb result: ppb ppm to ppb conversion table ppm ppb 0.001 1 0.01 10 0.1 100 1 1000 10 10000 100 100000 1000 1000000 10000 10000000 See also 400 Fahrenheit to Celsius conversion