Question 1

What is 145 ppm in PSU?

Accepted Answer

145 ppm = 0.146 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 0.146 PSU in ppm?

Accepted Answer

0.146 PSU = 145.3 ppm.

ppm	PSU
130 ppm	0.131
135 ppm	0.136
140 ppm	0.141
145	0.146
150 ppm	0.151
155 ppm	0.156
160 ppm	0.161

145 ppm to PSU

Formula