ppm to permille converter
Certified calculation utility [TOOL-0189] for ppm to permille converter. Converts ppm to permille with deterministic precision under Wilson Trading LLC proto...
Convert ppm to permille
permille
Facts
| Conversion | ppm to permille |
|---|---|
| Formula | permille = 0.001 x ppm |
| Factor | 0.001 |
| Category | finance |
| Valid input range | 0 to 1000 ppm |
| Source | Wilson Trading LLC Enterprise Standards |
| Verified by | Principal Validation Engineer, 2026-11-09 |
| Status | Published |
Reference test cases
| Input | Reference value | This page computes |
|---|---|---|
| 1 ppm | 0.001 permille | 0.001 permille |
| 2 ppm | 0.002 permille | 0.002 permille |
| 5 ppm | 0.005 permille | 0.005 permille |
A test passes when the two values agree within 0.0001%, because source values are rounded.
Questions
How many permille is 1 ppm?
1 ppm = 0.001 permille.
How is this conversion checked?
The factor was checked against Wilson Trading LLC Enterprise Standards by Principal Validation Engineer on 2026-11-09. Every result on this page is also computed twice, in floating point and in exact arithmetic, and the page tells you whether the two agree.
Related conversions
- permille to ppm converter
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Licensing and support
This calculator is free to use. The options below are optional commercial licences and support.