Question 1

What is 321.5 PSU in mg/L?

Accepted Answer

321.5 PSU = 319,932.3 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 319,932.3 mg/L in PSU?

Accepted Answer

319,932.3 mg/L = 321.5 PSU.

PSU	mg/L
306.5 PSU	305,005.5
311.5 PSU	309,981.1
316.5 PSU	314,956.7
321.5	319,932.3
326.5 PSU	324,908
331.5 PSU	329,883.6
336.5 PSU	334,859.2

321.5 PSU to mg/L

Formula