Question 1

What is 122.5 PSU in mg/L?

Accepted Answer

122.5 PSU = 121,902.7 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 121,902.7 mg/L in PSU?

Accepted Answer

121,902.7 mg/L = 122.5 PSU.

PSU	mg/L
107.5 PSU	106,975.8
112.5 PSU	111,951.4
117.5 PSU	116,927.1
122.5	121,902.7
127.5 PSU	126,878.3
132.5 PSU	131,853.9
137.5 PSU	136,829.5

122.5 PSU to mg/L

Formula