Question 1

What is 556.5 PSU in mg/L?

Accepted Answer

556.5 PSU = 553,786.4 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 553,786.4 mg/L in PSU?

Accepted Answer

553,786.4 mg/L = 556.5 PSU.

PSU	mg/L
541.5 PSU	538,859.6
546.5 PSU	543,835.2
551.5 PSU	548,810.8
556.5	553,786.4
561.5 PSU	558,762.1
566.5 PSU	563,737.7
571.5 PSU	568,713.3

556.5 PSU to mg/L

Formula