Question 1

What is 1,350 ppm in PSU?

Accepted Answer

1,350 ppm = 1.357 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 1.357 PSU in ppm?

Accepted Answer

1.357 PSU = 1,350.4 ppm.

ppm	PSU
1,335 ppm	1.342
1,340 ppm	1.347
1,345 ppm	1.352
1,350	1.357
1,355 ppm	1.362
1,360 ppm	1.367
1,365 ppm	1.372

1,350 ppm to PSU

Formula