ppm to ppt conversion

How to convert ppm to ppt

ppm and ppt are defined as:

1ppm = 1/10⁶ = 10^-6

1ppt = 1/10¹² = 10^-12

So

1ppm = 10⁶ppt

The number of parts-per trillion x_ppt is equal to the number of parts-per million x_ppm multiplied by 10⁶:

x_ppt = x_ppm ⋅ 10⁶

ppm to ppt conversion table

ppt to ppm conversion