Question 1

What is 17.5 PSU in mg/L?

Accepted Answer

17.5 PSU = 17,414.7 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 17,414.7 mg/L in PSU?

Accepted Answer

17,414.7 mg/L = 17.5 PSU.

PSU	mg/L
14.5 PSU	14,429.3
15.5 PSU	15,424.4
16.5 PSU	16,419.5
17.5	17,414.7
18.5 PSU	18,409.8
19.5 PSU	19,404.9
20.5 PSU	20,400

17.5 PSU to mg/L

Formula