291 g/kg to PSU

291 g/kg = 292.426 PSU

g/kgPSU
276 g/kg277.352
281 g/kg282.377
286 g/kg287.401
291292.426
296 g/kg297.45
301 g/kg302.475
306 g/kg307.499

291 g/kg = 292.426 PSU

Formula

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