1 ppm = 0.0001 %. Free Parts per Million to Percent converter with the formula, a worked example and a table of common values.
1 ppm = 0.0001 %. To convert Parts per Million to Percent, multiply by 0.0001.
To convert 5 ppm to %, multiply by 0.0001: 5 × 0.0001 = 0.0005 %.
| ppm | % |
|---|---|
| 1 | 0.0001 |
| 2 | 0.0002 |
| 3 | 0.0003 |
| 4 | 0.0004 |
| 5 | 0.0005 |
| 6 | 0.0006 |
| 7 | 0.0007 |
| 8 | 0.0008 |
| 9 | 0.0009 |
| 10 | 0.001 |
| 15 | 0.0015 |
| 20 | 0.002 |
| 25 | 0.0025 |
| 30 | 0.003 |
| 40 | 0.004 |
| 50 | 0.005 |
| 75 | 0.0075 |
| 100 | 0.01 |
| 250 | 0.025 |
| 500 | 0.05 |
| 1,000 | 0.1 |
| % | ppm |
|---|---|
| 1 | 10,000 |
| 2 | 20,000 |
| 3 | 30,000 |
| 4 | 40,000 |
| 5 | 50,000 |
| 6 | 60,000 |
| 7 | 70,000 |
| 8 | 80,000 |
| 9 | 90,000 |
| 10 | 100,000 |
| 15 | 150,000 |
| 20 | 200,000 |
| 25 | 250,000 |
| 30 | 300,000 |
| 40 | 400,000 |
| 50 | 500,000 |
| 75 | 750,000 |
| 100 | 1,000,000 |
| 250 | 2,500,000 |
| 500 | 5,000,000 |
| 1,000 | 10,000,000 |