Question 1

What is 57.5 g/kg in PSU?

Accepted Answer

57.5 g/kg = 57.782 PSU. Use the converter on this page to convert to other salinity / tds units instantly.

Question 2

How do you convert g/kg to PSU?

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 g/kg value by the appropriate factor to get PSU, or use the interactive converter above.

Question 3

What is 57.782 PSU in g/kg?

Accepted Answer

57.782 PSU = 57.5002 g/kg.

g/kg	PSU
42.5 g/kg	42.708
47.5 g/kg	47.733
52.5 g/kg	52.757
57.5	57.782
62.5 g/kg	62.806
67.5 g/kg	67.831
72.5 g/kg	72.855

57.5 g/kg to PSU

Formula