380.5 g/kg = 382.364 PSU
| g/kg | PSU |
|---|---|
| 365.5 g/kg | 367.291 |
| 370.5 g/kg | 372.315 |
| 375.5 g/kg | 377.34 |
| 380.5 | 382.364 |
| 385.5 g/kg | 387.389 |
| 390.5 g/kg | 392.413 |
| 395.5 g/kg | 397.438 |
380.5 g/kg = 382.364 PSU
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)