Question 1

What is 57 PSU in mg/L?

Accepted Answer

57 PSU = 56,722.1 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 56,722.1 mg/L in PSU?

Accepted Answer

56,722.1 mg/L = 57 PSU.

PSU	mg/L
42 PSU	41,795.2
47 PSU	46,770.8
52 PSU	51,746.4
57	56,722.1
62 PSU	61,697.7
67 PSU	66,673.3
72 PSU	71,648.9

57 PSU to mg/L

Formula