640 lph ≈ 18.7707 ppm. To convert litres per hour to pints per minute, multiply by 0.029329236: 640 × 0.029329236 = 18.7707.
How to convert litres per hour to pints per minute
ppm = lph × 0.029329236
- 1 lph = 0.029329236 ppm (and 1 ppm = 34.095672 lph).
- Multiply the amount by the factor: 640 × 0.029329236 = 18.7707.
- Answer: 640 lph ≈ 18.7707 ppm (rounded to 6 significant figures).
Litres Per Hour to Pints Per Minute table
| Litres Per Hour (lph) | Pints Per Minute (ppm) |
|---|---|
| 635 lph | 18.6241 ppm |
| 636 lph | 18.6534 ppm |
| 637 lph | 18.6827 ppm |
| 638 lph | 18.7121 ppm |
| 639 lph | 18.7414 ppm |
| 640 lph | 18.7707 ppm |
| 641 lph | 18.8 ppm |
| 642 lph | 18.8294 ppm |
| 643 lph | 18.8587 ppm |
| 644 lph | 18.888 ppm |
| 645 lph | 18.9174 ppm |
| lph | ppm |
|---|---|
| 1 lph | 0.0293292 ppm |
| 5 lph | 0.146646 ppm |
| 10 lph | 0.293292 ppm |
| 50 lph | 1.4665 ppm |
| 100 lph | 2.9329 ppm |
| 1,000 lph | 29.3292 ppm |