Question 1

What is 4,340 ppm in PSU?

Accepted Answer

4,340 ppm = 4.361 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 4.361 PSU in ppm?

Accepted Answer

4.361 PSU = 4,339.7 ppm.

ppm	PSU
4,325 ppm	4.346
4,330 ppm	4.351
4,335 ppm	4.356
4,340	4.361
4,345 ppm	4.366
4,350 ppm	4.371
4,355 ppm	4.376

4,340 ppm to PSU

Formula