How the Romania salariu net calculator is verified
Inputs
| Input | Field | Type |
|---|---|---|
| Salariu brut / lună (RON) | grossMonthly | number |
The formula
Each derived value below is computed by the Valem engine from the expression shown, in this order. Nothing else runs — there is no hidden code path.
| Derived value | Field | Formula (JSONata) |
|---|---|---|
| CAS (25%) | cas | $round(grossMonthly * $const.casRate, 2) |
| CASS (10%) | cass | $round(grossMonthly * $const.cassRate, 2) |
| Tax Base | taxBase | $round(grossMonthly - cas - cass, 2) |
| Impozit (10%) | tax | $round(taxBase * $const.taxRate, 2) |
| Net / lună | netMonthly | $round(grossMonthly - cas - cass - tax, 2) |
Rates and thresholds
The expressions above read these as $const. They are the figures the annual refresh replaces, so they live as data rather than being written into the formulas — which is what makes a year-on-year change a one-line diff instead of an edit to arithmetic.
| Constant | Value |
|---|---|
casRate | 0.25 |
cassRate | 0.1 |
taxRate | 0.1 |
Test vectors (2)
Every case is executed against this model on each build, by the Java engine and independently by a JavaScript one. A mismatch of a single cent fails the build, so the page cannot ship advertising a figure the model no longer produces.
Case 1 — S1 6,000 RON single
given grossMonthly | 6000 |
|---|---|
expect cas | 1500 |
expect cass | 600 |
expect taxBase | 3900 |
expect tax | 390 |
expect netMonthly | 3510 |
Case 2 — S3 15,000 RON
given grossMonthly | 15000 |
|---|---|
expect cas | 3750 |
expect cass | 1500 |
expect tax | 975 |
expect netMonthly | 8775 |
Sources
- ANAF · checked 2026-08-02
Check it yourself — and reuse it
The whole model as JSON — inputs, outputs, formulas, vectors and sources in one re-runnable document.
This model is published under CC BY 4.0: use it, adapt it, build on it, with attribution. The licence covers the model — the expression of each rule and the arrangement of the catalog. The rates and thresholds are law, and nobody licenses those; the sources above are where they come from.
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