Question 1

What is 4,915 ppm in PSU?

Accepted Answer

4,915 ppm = 4.939 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 4.939 PSU in ppm?

Accepted Answer

4.939 PSU = 4,914.9 ppm.

ppm	PSU
4,900 ppm	4.924
4,905 ppm	4.929
4,910 ppm	4.934
4,915	4.939
4,920 ppm	4.944
4,925 ppm	4.949
4,930 ppm	4.954

4,915 ppm to PSU

Formula