368.5 g/kg = 370.306 PSU
| g/kg | PSU |
|---|---|
| 353.5 g/kg | 355.232 |
| 358.5 g/kg | 360.257 |
| 363.5 g/kg | 365.281 |
| 368.5 | 370.306 |
| 373.5 g/kg | 375.33 |
| 378.5 g/kg | 380.355 |
| 383.5 g/kg | 385.379 |
368.5 g/kg = 370.306 PSU
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)