Question 1

What is 1,780 ppm in PSU?

Accepted Answer

1,780 ppm = 1.789 PSU. Use the converter on this page to convert to other salinity / tds units instantly.

Question 2

How do you convert ppm to PSU?

Accepted Answer

Formula: 1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation). Multiply your ppm value by the appropriate factor to get PSU, or use the interactive converter above.

Question 3

What is 1.789 PSU in ppm?

Accepted Answer

1.789 PSU = 1,780.3 ppm.

ppm	PSU
1,765 ppm	1.774
1,770 ppm	1.779
1,775 ppm	1.784
1,780	1.789
1,785 ppm	1.794
1,790 ppm	1.799
1,795 ppm	1.804

1,780 ppm to PSU

Formula