640 ft3ph ≈ 4.4294 qtps. To convert cubic feet per hour to quarts per second, multiply by 0.0069209429: 640 × 0.0069209429 = 4.4294.
How to convert cubic feet per hour to quarts per second
qtps = ft3ph × 0.0069209429
- 1 ft3ph = 0.0069209429 qtps (and 1 qtps = 144.48898 ft3ph).
- Multiply the amount by the factor: 640 × 0.0069209429 = 4.4294.
- Answer: 640 ft3ph ≈ 4.4294 qtps (rounded to 6 significant figures).
Cubic Feet Per Hour to Quarts Per Second table
| Cubic Feet Per Hour (ft3ph) | Quarts Per Second (qtps) |
|---|---|
| 635 ft3ph | 4.3948 qtps |
| 636 ft3ph | 4.4017 qtps |
| 637 ft3ph | 4.4086 qtps |
| 638 ft3ph | 4.4156 qtps |
| 639 ft3ph | 4.4225 qtps |
| 640 ft3ph | 4.4294 qtps |
| 641 ft3ph | 4.4363 qtps |
| 642 ft3ph | 4.4432 qtps |
| 643 ft3ph | 4.4502 qtps |
| 644 ft3ph | 4.4571 qtps |
| 645 ft3ph | 4.464 qtps |
| ft3ph | qtps |
|---|---|
| 1 ft3ph | 0.00692094 qtps |
| 5 ft3ph | 0.0346047 qtps |
| 10 ft3ph | 0.0692094 qtps |
| 50 ft3ph | 0.346047 qtps |
| 100 ft3ph | 0.692094 qtps |
| 1,000 ft3ph | 6.9209 qtps |