Convert Parts per Million to Percents
1 part per million = 0.0001 percents. Multiply the number of parts per million by 0.0001.
Parts per Million to Percents table
| Parts per Million | Percents |
|---|---|
| 1 ppm | 0.0001 % |
| 2 ppm | 0.0002 % |
| 3 ppm | 0.0003 % |
| 4 ppm | 0.0004 % |
| 5 ppm | 0.0005 % |
| 10 ppm | 0.001 % |
| 20 ppm | 0.002 % |
| 25 ppm | 0.0025 % |
| 50 ppm | 0.005 % |
| 100 ppm | 0.01 % |
| 500 ppm | 0.05 % |
| 1000 ppm | 0.1 % |
About these units
The part per million (ppm) is a specialist or regional unit of percentage & parts, equal to 0.000001 fractions.
The percent (%) is a specialist or regional unit of percentage & parts, equal to 0.01 fractions.
Going the other way, 1 percent = 10,000 parts per million. Water quality reports use parts per million, finance uses basis points, and everyone else uses percent. They are all just fractions with different scaling.
Frequently asked
- How many percents are in a part per million?
- 1 part per million = 0.0001 percents.
- How do you convert parts per million to percents?
- Multiply the number of parts per million by 0.0001.
- What is 10 ppm in %?
- 10 ppm = 0.001 %.