Question 1

What is 688 g/kg in PSU?

Accepted Answer

688 g/kg = 691.371 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 691.371 PSU in g/kg?

Accepted Answer

691.371 PSU = 687.9998 g/kg.

g/kg	PSU
673 g/kg	676.298
678 g/kg	681.322
683 g/kg	686.347
688	691.371
693 g/kg	696.396
698 g/kg	701.42
703 g/kg	706.445

688 g/kg to PSU

Formula