380.5 mg/L = 380.5 ppm
| mg/L | ppm |
|---|---|
| 365.5 mg/L | 365.5 |
| 370.5 mg/L | 370.5 |
| 375.5 mg/L | 375.5 |
| 380.5 | 380.5 |
| 385.5 mg/L | 385.5 |
| 390.5 mg/L | 390.5 |
| 395.5 mg/L | 395.5 |
380.5 mg/L = 380.5 ppm
1 ppm = 1 mg/L (aqueous, density ≈ 1 kg/L) · 1 ppb = 0.001 mg/L · 1% = 10,000 ppm