640 ppm ≈ 363.687 lpm. To convert pints per minute to litres per minute, multiply by 0.5682612: 640 × 0.5682612 = 363.687.
How to convert pints per minute to litres per minute
lpm = ppm × 0.5682612
- 1 ppm = 0.5682612 lpm (and 1 lpm = 1.7597541 ppm).
- Multiply the amount by the factor: 640 × 0.5682612 = 363.687.
- Answer: 640 ppm ≈ 363.687 lpm (rounded to 6 significant figures).
Pints Per Minute to Litres Per Minute table
| Pints Per Minute (ppm) | Litres Per Minute (lpm) |
|---|---|
| 635 ppm | 360.846 lpm |
| 636 ppm | 361.414 lpm |
| 637 ppm | 361.982 lpm |
| 638 ppm | 362.551 lpm |
| 639 ppm | 363.119 lpm |
| 640 ppm | 363.687 lpm |
| 641 ppm | 364.255 lpm |
| 642 ppm | 364.824 lpm |
| 643 ppm | 365.392 lpm |
| 644 ppm | 365.96 lpm |
| 645 ppm | 366.528 lpm |
| ppm | lpm |
|---|---|
| 1 ppm | 0.568261 lpm |
| 5 ppm | 2.8413 lpm |
| 10 ppm | 5.6826 lpm |
| 50 ppm | 28.4131 lpm |
| 100 ppm | 56.8261 lpm |
| 1,000 ppm | 568.261 lpm |