262.5 g/kg = 263.786 PSU
| g/kg | PSU |
|---|---|
| 247.5 g/kg | 248.713 |
| 252.5 g/kg | 253.737 |
| 257.5 g/kg | 258.762 |
| 262.5 | 263.786 |
| 267.5 g/kg | 268.811 |
| 272.5 g/kg | 273.835 |
| 277.5 g/kg | 278.86 |
262.5 g/kg = 263.786 PSU
1 g/kg ≈ 1.0049 PSU · 1 mg/L ≈ 0.001 PSU · 1 ppm ≈ 0.001 PSU (dilute aqueous approximation)