Question 1

What is 687 g/kg in PSU?

Accepted Answer

687 g/kg = 690.366 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 690.366 PSU in g/kg?

Accepted Answer

690.366 PSU = 686.9997 g/kg.

g/kg	PSU
672 g/kg	675.293
677 g/kg	680.317
682 g/kg	685.342
687	690.366
692 g/kg	695.391
697 g/kg	700.415
702 g/kg	705.44

687 g/kg to PSU

Formula