476.5 mg/L = 476.5 ppm
| mg/L | ppm |
|---|---|
| 461.5 mg/L | 461.5 |
| 466.5 mg/L | 466.5 |
| 471.5 mg/L | 471.5 |
| 476.5 | 476.5 |
| 481.5 mg/L | 481.5 |
| 486.5 mg/L | 486.5 |
| 491.5 mg/L | 491.5 |
476.5 mg/L = 476.5 ppm
1 ppm = 1 mg/L (aqueous, density ≈ 1 kg/L) · 1 ppb = 0.001 mg/L · 1% = 10,000 ppm