186.5 g/kg = 187.414 PSU
| g/kg | PSU |
|---|---|
| 171.5 g/kg | 172.34 |
| 176.5 g/kg | 177.365 |
| 181.5 g/kg | 182.389 |
| 186.5 | 187.414 |
| 191.5 g/kg | 192.438 |
| 196.5 g/kg | 197.463 |
| 201.5 g/kg | 202.487 |
186.5 g/kg = 187.414 PSU
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)