Table Of Contents
Permyriad to parts per million Conversion
1 permyriad (‱) is equal to 100 parts per million (ppm).
1 ‱ = 100 ppm
or
1 ppm = 0.01 ‱
Formula
To convert a concentration from permyriad (‱) to parts per million (ppm), multiply the concentration in permyriad by 100
c(ppm) = c(‱) × 100
Examples:
Convert 25 permyriad to parts per million:
c(ppm) = 25‱ × 100 = 2500 ppm
Conversion table
| Permyriad (‱) | Parts per million (ppm) |
|---|---|
| 1 ‱ | 100 ppm |
| 2 ‱ | 200 ppm |
| 3 ‱ | 300 ppm |
| 5 ‱ | 500 ppm |
| 10 ‱ | 1000 ppm |
| 20 ‱ | 2000 ppm |
| 25 ‱ | 2500 ppm |
| 50 ‱ | 5000 ppm |
| 75 ‱ | 7500 ppm |
| 100 ‱ | 10000 ppm |
| 250 ‱ | 25000 ppm |
| 500 ‱ | 50000 ppm |
| 1000 ‱ | 100000 ppm |
| Parts per million (ppm) | Permyriad (‱) |
|---|---|
| 1 ppm | 0.01 ‱ |
| 2 ppm | 0.02 ‱ |
| 3 ppm | 0.03 ‱ |
| 5 ppm | 0.05 ‱ |
| 10 ppm | 0.1 ‱ |
| 20 ppm | 0.2 ‱ |
| 25 ppm | 0.25 ‱ |
| 50 ppm | 0.5 ‱ |
| 75 ppm | 0.75 ‱ |
| 100 ppm | 1 ‱ |
| 250 ppm | 2.5 ‱ |
| 500 ppm | 5 ‱ |
| 1000 ppm | 10 ‱ |
Frequently asked questions
How do I convert permyriad to parts per million?
Multiply the value in permyriad by 100 to get the result in parts per million. For example, 5 ‱ × 100 = 500 ppm.
How many parts per million are in 1 permyriad?
1 permyriad (‱) is equal to 100 parts per million (ppm).
How do I convert parts per million back to permyriad?
Use the inverse operation: divide the value in parts per million by 100 to get the result in permyriad.
How accurate is the permyriad to parts per million conversion?
The converter multiplies by the conversion factor 100 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:
