Question 1

What is 1,740 ppm in PSU?

Accepted Answer

1,740 ppm = 1.749 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 1.749 PSU in ppm?

Accepted Answer

1.749 PSU = 1,740.5 ppm.

ppm	PSU
1,725 ppm	1.733
1,730 ppm	1.738
1,735 ppm	1.744
1,740	1.749
1,745 ppm	1.754
1,750 ppm	1.759
1,755 ppm	1.764

1,740 ppm to PSU

Formula