340 g/kg to PSU

340 g/kg = 341.666 PSU

g/kgPSU
325 g/kg326.592
330 g/kg331.617
335 g/kg336.641
340341.666
345 g/kg346.69
350 g/kg351.715
355 g/kg356.739

340 g/kg = 341.666 PSU

Formula

1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)