PPM to PPB conversion


How to convert PPM to PPB:

1ppm = 1/106 = 10-6

1ppb = 1/109 = 10-9

So

1ppm = 1000ppb

The number of parts-per billion xppb is equal to the number of parts-per million xppm multiplied by 1000:

x ppb = x ppm * 1000


Example:

7ppm is equal to 7000ppb:

x ppb = 7ppm * 1000 = 7000ppb


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

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