Question 1

What is 54.5 PSU in mg/L?

Accepted Answer

54.5 PSU = 54,234.3 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 54,234.3 mg/L in PSU?

Accepted Answer

54,234.3 mg/L = 54.5 PSU.

PSU	mg/L
39.5 PSU	39,307.4
44.5 PSU	44,283
49.5 PSU	49,258.6
54.5	54,234.3
59.5 PSU	59,209.9
64.5 PSU	64,185.5
69.5 PSU	69,161.1

54.5 PSU to mg/L

Formula