Question 1

What is 31.5 g/kg in PSU?

Accepted Answer

31.5 g/kg = 31.654 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 31.654 PSU in g/kg?

Accepted Answer

31.654 PSU = 31.4997 g/kg.

g/kg	PSU
25.5 g/kg	25.625
27.5 g/kg	27.635
29.5 g/kg	29.645
31.5	31.654
33.5 g/kg	33.664
35.5 g/kg	35.674
37.5 g/kg	37.684

31.5 g/kg to PSU

Formula