Question 1

What is 81.5 PSU in mg/L?

Accepted Answer

81.5 PSU = 81,102.6 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 81,102.6 mg/L in PSU?

Accepted Answer

81,102.6 mg/L = 81.5 PSU.

PSU	mg/L
66.5 PSU	66,175.7
71.5 PSU	71,151.4
76.5 PSU	76,127
81.5	81,102.6
86.5 PSU	86,078.2
91.5 PSU	91,053.8
96.5 PSU	96,029.5

81.5 PSU to mg/L

Formula