Question 1

What is 40 PSU in mg/L?

Accepted Answer

40 PSU = 39,805 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 39,805 mg/L in PSU?

Accepted Answer

39,805 mg/L = 40 PSU.

PSU	mg/L
34 PSU	33,834.2
36 PSU	35,824.5
38 PSU	37,814.7
40	39,805
42 PSU	41,795.2
44 PSU	43,785.5
46 PSU	45,775.7

40 PSU to mg/L

Formula