Question 1

What is 4,355 ppm in PSU?

Accepted Answer

4,355 ppm = 4.376 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 4.376 PSU in ppm?

Accepted Answer

4.376 PSU = 4,354.7 ppm.

ppm	PSU
4,340 ppm	4.361
4,345 ppm	4.366
4,350 ppm	4.371
4,355	4.376
4,360 ppm	4.381
4,365 ppm	4.386
4,370 ppm	4.391

4,355 ppm to PSU

Formula