Question 1

What is 274.5 PSU in mg/L?

Accepted Answer

274.5 PSU = 273,161.5 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 273,161.5 mg/L in PSU?

Accepted Answer

273,161.5 mg/L = 274.5 PSU.

PSU	mg/L
259.5 PSU	258,234.7
264.5 PSU	263,210.3
269.5 PSU	268,185.9
274.5	273,161.5
279.5 PSU	278,137.1
284.5 PSU	283,112.7
289.5 PSU	288,088.4

274.5 PSU to mg/L

Formula