Question 1

What is 55.5 g/kg in PSU?

Accepted Answer

55.5 g/kg = 55.772 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 55.772 PSU in g/kg?

Accepted Answer

55.772 PSU = 55.5 g/kg.

g/kg	PSU
40.5 g/kg	40.698
45.5 g/kg	45.723
50.5 g/kg	50.747
55.5	55.772
60.5 g/kg	60.796
65.5 g/kg	65.821
70.5 g/kg	70.845

55.5 g/kg to PSU

Formula