Question 1

What is 455 g/kg in PSU?

Accepted Answer

455 g/kg = 457.229 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 457.229 PSU in g/kg?

Accepted Answer

457.229 PSU = 454.9995 g/kg.

g/kg	PSU
440 g/kg	442.156
445 g/kg	447.18
450 g/kg	452.205
455	457.229
460 g/kg	462.254
465 g/kg	467.278
470 g/kg	472.303

455 g/kg to PSU

Formula