Table Of Contents
Permille to parts per million Conversion
1 permille (‰) is equal to 1000 parts per million (ppm).
1 ‰ = 1000 ppm
or
1 ppm = 0.001 ‰
Formula
To convert a concentration from permille (‰) to parts per million (ppm), multiply the concentration in permille by 1000
c(ppm) = c(‰) × 1000
Examples:
Convert 10 permille to parts per million:
c(ppm) = 10‰ × 1000 = 10000 ppm
Conversion table
| Permille (‰) | Parts per million (ppm) |
|---|---|
| 1 ‰ | 1000 ppm |
| 2 ‰ | 2000 ppm |
| 3 ‰ | 3000 ppm |
| 5 ‰ | 5000 ppm |
| 10 ‰ | 10000 ppm |
| 20 ‰ | 20000 ppm |
| 25 ‰ | 25000 ppm |
| 50 ‰ | 50000 ppm |
| 75 ‰ | 75000 ppm |
| 100 ‰ | 100000 ppm |
| 250 ‰ | 250000 ppm |
| 500 ‰ | 500000 ppm |
| 1000 ‰ | 1000000 ppm |
| Parts per million (ppm) | Permille (‰) |
|---|---|
| 1 ppm | 0.001 ‰ |
| 2 ppm | 0.002 ‰ |
| 3 ppm | 0.003 ‰ |
| 5 ppm | 0.005 ‰ |
| 10 ppm | 0.01 ‰ |
| 20 ppm | 0.02 ‰ |
| 25 ppm | 0.025 ‰ |
| 50 ppm | 0.05 ‰ |
| 75 ppm | 0.075 ‰ |
| 100 ppm | 0.1 ‰ |
| 250 ppm | 0.25 ‰ |
| 500 ppm | 0.5 ‰ |
| 1000 ppm | 1 ‰ |
Frequently asked questions
How do I convert permille to parts per million?
Multiply the value in permille by 1000 to get the result in parts per million. For example, 5 ‰ × 1000 = 5000 ppm.
How many parts per million are in 1 permille?
1 permille (‰) is equal to 1000 parts per million (ppm).
How do I convert parts per million back to permille?
Use the inverse operation: divide the value in parts per million by 1000 to get the result in permille.
How accurate is the permille to parts per million conversion?
The converter multiplies by the conversion factor 1000 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.
Sources
Conversion factors are based on internationally recognised standards:
