Question 1

What is 45.5 PSU in mg/L?

Accepted Answer

45.5 PSU = 45,278.1 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 45,278.1 mg/L in PSU?

Accepted Answer

45,278.1 mg/L = 45.5 PSU.

PSU	mg/L
39.5 PSU	39,307.4
41.5 PSU	41,297.6
43.5 PSU	43,287.9
45.5	45,278.1
47.5 PSU	47,268.4
49.5 PSU	49,258.6
51.5 PSU	51,248.9

45.5 PSU to mg/L

Formula