Question 1

What is 682.5 PSU in ppm?

Accepted Answer

682.5 PSU = 679,172.1 ppm. Use the converter on this page to convert to other salinity / tds units instantly.

Question 2

How do you convert PSU to ppm?

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 PSU value by the appropriate factor to get ppm, or use the interactive converter above.

Question 3

What is 679,172.1 ppm in PSU?

Accepted Answer

679,172.1 ppm = 682.5 PSU.

PSU	ppm
667.5 PSU	664,245.2
672.5 PSU	669,220.8
677.5 PSU	674,196.4
682.5	679,172.1
687.5 PSU	684,147.7
692.5 PSU	689,123.3
697.5 PSU	694,098.9

682.5 PSU to ppm

Formula