Question 1

What is 4,515 ppm in PSU?

Accepted Answer

4,515 ppm = 4.537 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 4.537 PSU in ppm?

Accepted Answer

4.537 PSU = 4,514.9 ppm.

ppm	PSU
4,500 ppm	4.522
4,505 ppm	4.527
4,510 ppm	4.532
4,515	4.537
4,520 ppm	4.542
4,525 ppm	4.547
4,530 ppm	4.552

4,515 ppm to PSU

Formula