Question 1

What is 1,325 ppm in PSU?

Accepted Answer

1,325 ppm = 1.331 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 1.331 PSU in ppm?

Accepted Answer

1.331 PSU = 1,324.5 ppm.

ppm	PSU
1,310 ppm	1.316
1,315 ppm	1.321
1,320 ppm	1.326
1,325	1.331
1,330 ppm	1.337
1,335 ppm	1.342
1,340 ppm	1.347

1,325 ppm to PSU

Formula