Chemistry
Parts and percent
8 units
Common conversions
All units
| Symbol | Name | Factor relative to 1 |
|---|---|---|
| 1 | Fraction | 1 |
| % | Percent | 0.01 |
| ‰ | Per mille | 0.001 |
| ‱ | Per myriad (basis point) | 0.0001 |
| ppm | Parts per million | 1.000000 × 10^-6 |
| ppb | Parts per billion | 1.000000 × 10^-9 |
| ppt | Parts per trillion | 1.000000 × 10^-12 |
| ppq | Parts per quadrillion | 1.000000 × 10^-15 |