Question 1

What is 490 g/kg in PSU?

Accepted Answer

490 g/kg = 492.401 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 492.401 PSU in g/kg?

Accepted Answer

492.401 PSU = 490 g/kg.

g/kg	PSU
475 g/kg	477.327
480 g/kg	482.352
485 g/kg	487.376
490	492.401
495 g/kg	497.425
500 g/kg	502.45
505 g/kg	507.474

490 g/kg to PSU

Formula