21.2 ppm ≈ 159 galph. To convert pints per minute to gallons per hour, multiply by 7.5000158: 21.2 × 7.5000158 = 159.
How to convert pints per minute to gallons per hour
galph = ppm × 7.5000158
- 1 ppm = 7.5000158 galph (and 1 galph = 0.13333305 ppm).
- Multiply the amount by the factor: 21.2 × 7.5000158 = 159.
- Answer: 21.2 ppm ≈ 159 galph (rounded to 6 significant figures).
Pints Per Minute to Gallons Per Hour table
| Pints Per Minute (ppm) | Gallons Per Hour (galph) |
|---|---|
| 20.7 ppm | 155.25 galph |
| 20.8 ppm | 156 galph |
| 20.9 ppm | 156.75 galph |
| 21 ppm | 157.5 galph |
| 21.1 ppm | 158.25 galph |
| 21.2 ppm | 159 galph |
| 21.3 ppm | 159.75 galph |
| 21.4 ppm | 160.5 galph |
| 21.5 ppm | 161.25 galph |
| 21.6 ppm | 162 galph |
| 21.7 ppm | 162.75 galph |
| ppm | galph |
|---|---|
| 1 ppm | 7.5 galph |
| 5 ppm | 37.5001 galph |
| 10 ppm | 75.0002 galph |
| 50 ppm | 375.001 galph |
| 100 ppm | 750.002 galph |
| 1,000 ppm | 7,500.02 galph |