Question 1

What is 426.5 PSU in mg/L?

Accepted Answer

426.5 PSU = 424,420.3 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 424,420.3 mg/L in PSU?

Accepted Answer

424,420.3 mg/L = 426.5 PSU.

PSU	mg/L
411.5 PSU	409,493.5
416.5 PSU	414,469.1
421.5 PSU	419,444.7
426.5	424,420.3
431.5 PSU	429,396
436.5 PSU	434,371.6
441.5 PSU	439,347.2

426.5 PSU to mg/L

Formula