How to Convert part/million (ppm) to percent (%)
To convert part/million (ppm) to percent (%), multiply the value in part/million (ppm) by 1 × 10^-7. One part/million (ppm) equals 1 × 10-7 percent (%), and one percent (%) equals 10,000,000 part/million (ppm).
Solution concentration expresses how much solute is present in a solution, for example as a percentage or in parts per million. It is used in chemistry, water testing and pharmacy. Need a different unit? Open the Solution Concentration Converter to convert between all 12 Concentration - Solution units.
part/million (ppm) to percent (%) Formula
part/million (ppm) = percent (%) × 10,000,000
Example: 10 part/million (ppm) = 1 × 10-6 percent (%).
part/million (ppm) ↔ percent (%) Conversion Tables
| part/million (ppm) | percent (%) |
|---|---|
| 1 | 1 × 10-7 |
| 2 | 2 × 10-7 |
| 3 | 3 × 10-7 |
| 5 | 5 × 10-7 |
| 10 | 1 × 10-6 |
| 20 | 2 × 10-6 |
| 50 | 5 × 10-6 |
| 100 | 1 × 10-5 |
| 500 | 5 × 10-5 |
| 1,000 | 0.0001 |
| percent (%) | part/million (ppm) |
|---|---|
| 1 | 10,000,000 |
| 2 | 20,000,000 |
| 3 | 30,000,000 |
| 5 | 50,000,000 |
| 10 | 100,000,000 |
| 20 | 200,000,000 |
| 50 | 500,000,000 |
| 100 | 1 × 109 |
| 500 | 5 × 109 |
| 1,000 | 1 × 1010 |
About Concentration - Solution Units
Solution concentration expresses how much solute is present in a solution, for example as a percentage or in parts per million. It is used in chemistry, water testing and pharmacy. This converter supports 12 units: kg/L, g/L, mg/L (ppm), µg/L (ppb), g/dL, g/100mL, mg/dL, part/million (ppm), part/billion (ppb), part/trillion (ppt), percent (%), per mille (‰).
Frequently Asked Questions
How many percent (%) are in one part/million (ppm)?
One part/million (ppm) equals 1 × 10^-7 percent (%).
How do I convert part/million (ppm) to percent (%)?
To convert part/million (ppm) to percent (%), multiply the value in part/million (ppm) by 1 × 10^-7. For example, 10 part/million (ppm) = 1 × 10^-6 percent (%).
How do I convert percent (%) to part/million (ppm)?
To convert percent (%) to part/million (ppm), multiply the value in percent (%) by 10,000,000. For example, 10 percent (%) = 100,000,000 part/million (ppm).
Which Concentration - Solution units can I convert on ToolShed?
The Solution Concentration Converter supports 12 units, including kg/L, g/L, mg/L (ppm), µg/L (ppb), g/dL, g/100mL, mg/dL, part/million (ppm), and 4 more. Use the From and To menus in the converter above to pick any pair.