Question 1

What is 19.5 PSU in mg/L?

Accepted Answer

19.5 PSU = 19,404.9 mg/L. Use the converter on this page to convert to other salinity / tds units instantly.

Question 2

How do you convert PSU to mg/L?

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 mg/L, or use the interactive converter above.

Question 3

What is 19,404.9 mg/L in PSU?

Accepted Answer

19,404.9 mg/L = 19.5 PSU.

PSU	mg/L
16.5 PSU	16,419.5
17.5 PSU	17,414.7
18.5 PSU	18,409.8
19.5	19,404.9
20.5 PSU	20,400
21.5 PSU	21,395.2
22.5 PSU	22,390.3

19.5 PSU to mg/L

Formula