Question 1

What is 31.5 PSU in g/kg?

Accepted Answer

31.5 PSU = 31.3464 g/kg. Use the converter on this page to convert to other salinity / tds units instantly.

Question 2

How do you convert PSU to g/kg?

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 PSU value by the appropriate factor to get g/kg, or use the interactive converter above.

Question 3

What is 31.3464 g/kg in PSU?

Accepted Answer

31.3464 g/kg = 31.5 PSU.

PSU	g/kg
25.5 PSU	25.3757
27.5 PSU	27.3659
29.5 PSU	29.3562
31.5	31.3464
33.5 PSU	33.3367
35.5 PSU	35.3269
37.5 PSU	37.3171

31.5 PSU to g/kg

Formula