640 ppm ≈ 770.61 ft3ph. To convert pints per minute to cubic feet per hour, multiply by 1.2040774: 640 × 1.2040774 = 770.61.
How to convert pints per minute to cubic feet per hour
ft3ph = ppm × 1.2040774
- 1 ppm = 1.2040774 ft3ph (and 1 ft3ph = 0.83051139 ppm).
- Multiply the amount by the factor: 640 × 1.2040774 = 770.61.
- Answer: 640 ppm ≈ 770.61 ft3ph (rounded to 6 significant figures).
Pints Per Minute to Cubic Feet Per Hour table
| Pints Per Minute (ppm) | Cubic Feet Per Hour (ft3ph) |
|---|---|
| 635 ppm | 764.589 ft3ph |
| 636 ppm | 765.793 ft3ph |
| 637 ppm | 766.997 ft3ph |
| 638 ppm | 768.201 ft3ph |
| 639 ppm | 769.405 ft3ph |
| 640 ppm | 770.61 ft3ph |
| 641 ppm | 771.814 ft3ph |
| 642 ppm | 773.018 ft3ph |
| 643 ppm | 774.222 ft3ph |
| 644 ppm | 775.426 ft3ph |
| 645 ppm | 776.63 ft3ph |
| ppm | ft3ph |
|---|---|
| 1 ppm | 1.2041 ft3ph |
| 5 ppm | 6.0204 ft3ph |
| 10 ppm | 12.0408 ft3ph |
| 50 ppm | 60.2039 ft3ph |
| 100 ppm | 120.408 ft3ph |
| 1,000 ppm | 1,204.08 ft3ph |