Question 1

What is 491 g/kg in PSU?

Accepted Answer

491 g/kg = 493.406 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 493.406 PSU in g/kg?

Accepted Answer

493.406 PSU = 491.0001 g/kg.

g/kg	PSU
476 g/kg	478.332
481 g/kg	483.357
486 g/kg	488.381
491	493.406
496 g/kg	498.43
501 g/kg	503.455
506 g/kg	508.479

491 g/kg to PSU

Formula