Question 1

What is 4,840 ppm in PSU?

Accepted Answer

4,840 ppm = 4.864 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 4.864 PSU in ppm?

Accepted Answer

4.864 PSU = 4,840.3 ppm.

ppm	PSU
4,825 ppm	4.849
4,830 ppm	4.854
4,835 ppm	4.859
4,840	4.864
4,845 ppm	4.869
4,850 ppm	4.874
4,855 ppm	4.879

4,840 ppm to PSU

Formula