Question 1

What is 65.5 PSU in ppm?

Accepted Answer

65.5 PSU = 65,180.6 ppm. Use the converter on this page to convert to other salinity / tds units instantly.

Question 2

How do you convert PSU to ppm?

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 PSU value by the appropriate factor to get ppm, or use the interactive converter above.

Question 3

What is 65,180.6 ppm in PSU?

Accepted Answer

65,180.6 ppm = 65.5 PSU.

PSU	ppm
50.5 PSU	50,253.8
55.5 PSU	55,229.4
60.5 PSU	60,205
65.5	65,180.6
70.5 PSU	70,156.2
75.5 PSU	75,131.9
80.5 PSU	80,107.5

65.5 PSU to ppm

Formula