Question 1

What is 438 g/kg in PSU?

Accepted Answer

438 g/kg = 440.146 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 440.146 PSU in g/kg?

Accepted Answer

440.146 PSU = 437.9998 g/kg.

g/kg	PSU
423 g/kg	425.073
428 g/kg	430.097
433 g/kg	435.122
438	440.146
443 g/kg	445.171
448 g/kg	450.195
453 g/kg	455.22

438 g/kg to PSU

Formula