278 g/kg to PSU

278 g/kg = 279.362 PSU

g/kgPSU
263 g/kg264.289
268 g/kg269.313
273 g/kg274.338
278279.362
283 g/kg284.387
288 g/kg289.411
293 g/kg294.436

278 g/kg = 279.362 PSU

Formula

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