Question 1

What is 90.5 PSU in mg/L?

Accepted Answer

90.5 PSU = 90,058.7 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 90,058.7 mg/L in PSU?

Accepted Answer

90,058.7 mg/L = 90.5 PSU.

PSU	mg/L
75.5 PSU	75,131.9
80.5 PSU	80,107.5
85.5 PSU	85,083.1
90.5	90,058.7
95.5 PSU	95,034.3
100.5 PSU	100,010
105.5 PSU	104,985.6

90.5 PSU to mg/L

Formula