565.5 g/kg = 568.271 PSU
| g/kg | PSU |
|---|---|
| 550.5 g/kg | 553.197 |
| 555.5 g/kg | 558.222 |
| 560.5 g/kg | 563.246 |
| 565.5 | 568.271 |
| 570.5 g/kg | 573.295 |
| 575.5 g/kg | 578.32 |
| 580.5 g/kg | 583.344 |
565.5 g/kg = 568.271 PSU
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)