How the Romania impozit auto calculator is verified
Inputs
| Input | Field | Type |
|---|---|---|
| Capacitate cilindrică (cm³) | cc | 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) |
|---|---|---|
| Fracțiuni de 200 cm³ | units | $ceil(cc / 200) |
| Rată (RON / fracțiune) | rate | ($c := cc; $c <= 1600 ? 8 : $c <= 2000 ? 21 : $c <= 2600 ? 85 : $c <= 3000 ? 171 : 345) |
| Impozit anual | tax | $round(units * rate, 2) |
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 — C1 1,400 cm3
given cc | 1400 |
|---|---|
expect units | 7 |
expect rate | 8 |
expect tax | 56 |
Case 2 — C2 2,500 cm3
given cc | 2500 |
|---|---|
expect units | 13 |
expect rate | 85 |
expect tax | 1105 |
Sources
- ANAF · checked 2026-08-02
- ghiseul.ro · 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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