Question 1

What is 638 g/kg in PSU?

Accepted Answer

638 g/kg = 641.126 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 641.126 PSU in g/kg?

Accepted Answer

641.126 PSU = 637.9998 g/kg.

g/kg	PSU
623 g/kg	626.053
628 g/kg	631.077
633 g/kg	636.102
638	641.126
643 g/kg	646.151
648 g/kg	651.175
653 g/kg	656.2

638 g/kg to PSU

Formula