18.4 ppm ≈ 138 galph. To convert pints per minute to gallons per hour, multiply by 7.5000158: 18.4 × 7.5000158 = 138.
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: 18.4 × 7.5000158 = 138.
- Answer: 18.4 ppm ≈ 138 galph (rounded to 6 significant figures).
Pints Per Minute to Gallons Per Hour table
| Pints Per Minute (ppm) | Gallons Per Hour (galph) |
|---|---|
| 17.9 ppm | 134.25 galph |
| 18 ppm | 135 galph |
| 18.1 ppm | 135.75 galph |
| 18.2 ppm | 136.5 galph |
| 18.3 ppm | 137.25 galph |
| 18.4 ppm | 138 galph |
| 18.5 ppm | 138.75 galph |
| 18.6 ppm | 139.5 galph |
| 18.7 ppm | 140.25 galph |
| 18.8 ppm | 141 galph |
| 18.9 ppm | 141.75 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 |