Table Of Contents
Parts per million to permyriad Conversion
1 parts per million (ppm) is equal to 0.01 permyriad (‱).
1 ppm = 0.01 ‱
or
1 ‱ = 100 ppm
Formula
To convert a concentration from parts per million (ppm) to permyriad (‱), divide the concentration in parts per million by 100
c(‱) = c(ppm) / 100
Examples:
Convert 50 parts per million to permyriad:
c(‱) = 50ppm / 100 = 0.5 ‱
Conversion table
| 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 ‱ |
| 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 |
Frequently asked questions
How do I convert parts per million to permyriad?
Divide the value in parts per million by 100 to get the result in permyriad. For example, 5 ppm ÷ 100 = 0.05 ‱.
How many permyriad are in 1 parts per million?
1 parts per million (ppm) is equal to 0.01 permyriad (‱).
How do I convert permyriad back to parts per million?
Use the inverse operation: multiply the value in permyriad by 100 to get the result in parts per million.
How accurate is the parts per million to permyriad 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:
