Convert part per million to part per thousand

Dimensionless conversion • ppmppk

ppm
ppk

1 part per million = 0.001 part per thousand

Conversion Table

ppm ppk
1 0.001
10 0.01
100 0.1
1000 1

Reverse Conversion

1 part per thousand equals:

1000 part per million
Convert ppk to ppm