Question 1

What is 409 g/kg in PSU?

Accepted Answer

409 g/kg = 411.004 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 411.004 PSU in g/kg?

Accepted Answer

411.004 PSU = 408.9999 g/kg.

g/kg	PSU
394 g/kg	395.931
399 g/kg	400.955
404 g/kg	405.98
409	411.004
414 g/kg	416.029
419 g/kg	421.053
424 g/kg	426.078

409 g/kg to PSU

Formula