Question 1

What is 1,605 ppm in PSU?

Accepted Answer

1,605 ppm = 1.613 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 1.613 PSU in ppm?

Accepted Answer

1.613 PSU = 1,605.1 ppm.

ppm	PSU
1,590 ppm	1.598
1,595 ppm	1.603
1,600 ppm	1.608
1,605	1.613
1,610 ppm	1.618
1,615 ppm	1.623
1,620 ppm	1.628

1,605 ppm to PSU

Formula