Question 1

What is 4,625 ppm in PSU?

Accepted Answer

4,625 ppm = 4.648 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 4.648 PSU in ppm?

Accepted Answer

4.648 PSU = 4,625.3 ppm.

ppm	PSU
4,610 ppm	4.633
4,615 ppm	4.638
4,620 ppm	4.643
4,625	4.648
4,630 ppm	4.653
4,635 ppm	4.658
4,640 ppm	4.663

4,625 ppm to PSU

Formula