Question 1

What is 4,870 ppm in PSU?

Accepted Answer

4,870 ppm = 4.894 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 4.894 PSU in ppm?

Accepted Answer

4.894 PSU = 4,870.1 ppm.

ppm	PSU
4,855 ppm	4.879
4,860 ppm	4.884
4,865 ppm	4.889
4,870	4.894
4,875 ppm	4.899
4,880 ppm	4.904
4,885 ppm	4.909

4,870 ppm to PSU

Formula