Question 1

What is 1,850 ppm in PSU?

Accepted Answer

1,850 ppm = 1.859 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 1.859 PSU in ppm?

Accepted Answer

1.859 PSU = 1,849.9 ppm.

ppm	PSU
1,835 ppm	1.844
1,840 ppm	1.849
1,845 ppm	1.854
1,850	1.859
1,855 ppm	1.864
1,860 ppm	1.869
1,865 ppm	1.874

1,850 ppm to PSU

Formula