Question 1

What is 4,850 ppm in PSU?

Accepted Answer

4,850 ppm = 4.874 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 4.874 PSU in ppm?

Accepted Answer

4.874 PSU = 4,850.2 ppm.

ppm	PSU
4,835 ppm	4.859
4,840 ppm	4.864
4,845 ppm	4.869
4,850	4.874
4,855 ppm	4.879
4,860 ppm	4.884
4,865 ppm	4.889

4,850 ppm to PSU

Formula