Question 1

What is 642 g/kg in PSU?

Accepted Answer

642 g/kg = 645.146 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 645.146 PSU in g/kg?

Accepted Answer

645.146 PSU = 642.0002 g/kg.

g/kg	PSU
627 g/kg	630.072
632 g/kg	635.097
637 g/kg	640.121
642	645.146
647 g/kg	650.17
652 g/kg	655.195
657 g/kg	660.219

642 g/kg to PSU

Formula