October 5, 2017
Handy Conversion Factors
Converting between different units of gas concentration is a common requirement in gas detection. This reference guide provides the key conversion factors used in the industry.
Converting between different units of gas concentration is a common requirement in gas detection. This reference guide provides the key conversion factors used in the industry.
| ppm | % Volume | |
|---|---|---|
| 1,000,000 | = | 100 |
| 100,000 | = | 10 |
| 10,000 | = | 1 |
| 1,000 | = | 0.1 |
| 100 | = | 0.01 |
| 10 | = | 0.001 |
| 1 | 0.0001 | |
| ppb | ppm | |
| 1,000 | = | 1 |
| 100 | = | 0.1 |
| 10 | = | 0.01 |
| 1 | = | 0.001 |
| ppt | ppm | |
| 1,000 | = | 0.001 |
| 100 | = | 0.0001 |
| 10 | = | 0.00001 |
| 1 | = | 0.000001 |
| ppt | ppb | |
| 1,000 | = | 1 |
| 100 | = | 0.1 |
| 10 | = | 0.01 |
| 1 | = | 0.001 |
For additional technical assistance or questions about gas detection applications, contact our application engineering team at help@cetci.com or call 1-888-966-9111.