Question 1

What is 408 g/kg in PSU?

Accepted Answer

408 g/kg = 409.999 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 409.999 PSU in g/kg?

Accepted Answer

409.999 PSU = 407.9998 g/kg.

g/kg	PSU
393 g/kg	394.926
398 g/kg	399.95
403 g/kg	404.975
408	409.999
413 g/kg	415.024
418 g/kg	420.048
423 g/kg	425.073

408 g/kg to PSU

Formula