Question 1

What is 4,100 ppm in PSU?

Accepted Answer

4,100 ppm = 4.12 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 4.12 PSU in ppm?

Accepted Answer

4.12 PSU = 4,099.9 ppm.

ppm	PSU
4,085 ppm	4.105
4,090 ppm	4.11
4,095 ppm	4.115
4,100	4.12
4,105 ppm	4.125
4,110 ppm	4.13
4,115 ppm	4.135

4,100 ppm to PSU

Formula