Question 1

What is 643 g/kg in PSU?

Accepted Answer

643 g/kg = 646.151 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 646.151 PSU in g/kg?

Accepted Answer

646.151 PSU = 643.0003 g/kg.

g/kg	PSU
628 g/kg	631.077
633 g/kg	636.102
638 g/kg	641.126
643	646.151
648 g/kg	651.175
653 g/kg	656.2
658 g/kg	661.224

643 g/kg to PSU

Formula