Percent to PPM Converter
Convert percent (%) to parts per million (ppm). Type a number in either box and the result appears as you type.
Enter a number, for example 12.5
1 percent = 10,000 parts per million
Formula: ppm = % × 10,000
How to convert percent to parts per million
1 percent = 10,000 parts per million
To convert percent to parts per million, multiply the value by 10,000.
Example: 5 % × 10,000 = 50,000 ppm
Percent to PPM conversion table
| Percent (%) | Part per million (ppm) |
|---|---|
| 0.001 | 10 |
| 0.005 | 50 |
| 0.01 | 100 |
| 0.02 | 200 |
| 0.05 | 500 |
| 0.1 | 1,000 |
| 0.2 | 2,000 |
| 0.5 | 5,000 |
| 1 | 10,000 |
| 2 | 20,000 |
| 5 | 50,000 |
| 10 | 100,000 |
About percent and parts per million
Percent (%)
Grams per 100 milliliters (% w/v), so 1% is 10 g/L. Used for bleach strength, salt brines and lab solutions.
Part per million (ppm)
One part in a million by mass, 1 mg per kg. For water and dilute solutions in water, 1 ppm equals 1 mg/L. Used for chlorine, TDS and nutrients.
Frequently asked questions
What is 1 % in parts per million?
1 % = 10,000 ppm.
What is 1 ppm in percent?
1 ppm = 0.0001 %.
How do I convert percent to parts per million?
To convert percent to parts per million, multiply the value by 10,000. 1 percent = 10,000 parts per million.