ppm to ppb free online converter

ppm to ppb conversion calculator

ppm
ppb

How to convert ppm to ppb

ppm and ppb are defined as:

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:

xppb = xppm ⋅ 1000

Example: 7ppm is equal to 7000ppb:

xppb = 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

ppb to ppm conversion »


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