18 ppm ≈ 135 galph. To convert pints per minute to gallons per hour, multiply by 7.5000158: 18 × 7.5000158 = 135.
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 × 7.5000158 = 135.
- Answer: 18 ppm ≈ 135 galph (rounded to 6 significant figures).
Pints Per Minute to Gallons Per Hour table
| Pints Per Minute (ppm) | Gallons Per Hour (galph) |
|---|---|
| 13 ppm | 97.5002 galph |
| 14 ppm | 105 galph |
| 15 ppm | 112.5 galph |
| 16 ppm | 120 galph |
| 17 ppm | 127.5 galph |
| 18 ppm | 135 galph |
| 19 ppm | 142.5 galph |
| 20 ppm | 150 galph |
| 21 ppm | 157.5 galph |
| 22 ppm | 165 galph |
| 23 ppm | 172.5 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 |