Question 1

What is 57.5 PSU in mg/L?

Accepted Answer

57.5 PSU = 57,219.6 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 57,219.6 mg/L in PSU?

Accepted Answer

57,219.6 mg/L = 57.5 PSU.

PSU	mg/L
42.5 PSU	42,292.8
47.5 PSU	47,268.4
52.5 PSU	52,244
57.5	57,219.6
62.5 PSU	62,195.2
67.5 PSU	67,170.9
72.5 PSU	72,146.5

57.5 PSU to mg/L

Formula