Question 1

What is 1,515 ppm in PSU?

Accepted Answer

1,515 ppm = 1.522 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 1.522 PSU in ppm?

Accepted Answer

1.522 PSU = 1,514.6 ppm.

ppm	PSU
1,500 ppm	1.507
1,505 ppm	1.512
1,510 ppm	1.517
1,515	1.522
1,520 ppm	1.527
1,525 ppm	1.532
1,530 ppm	1.537

1,515 ppm to PSU

Formula