Simulation — Salary calculation: practical guide

Quick answer. The salary simulator provided by the ministry responsible for public-administration reform estimates the monthly net salary of a civil servant according to the person’s administrative situation and other parameters. The result is indicative. It is not a payslip, a payroll decision or a contractual commitment by the administration.

Administrative data determines the estimate

The interface asks the user to select a category, corps, framework, grade and index-step. It also takes region and locality into account, together with information about the mutual fund and family situation. Two employees can therefore be compared meaningfully only when these parameters are actually comparable.

What can the simulator display?

Official documentation indicates that the calculation may show gross salary, net salary, taxable net salary and monthly deductions, including contributions and income tax according to the entered situation. These components are useful for understanding how a theoretical gross amount becomes an estimated net amount.

Locality and family situation

The guide explains that locality is linked to territorial zones used by the applicable remuneration rules for certain staff. The form also asks about the mutual fund, marital status and number of children under 21. These fields should not be guessed simply to obtain a number, because changing them can alter the estimate.

When is the tool useful?

It can help estimate the effect of a change in index or situation, check an order of magnitude before taking a position, or understand the components of remuneration. To challenge a payslip, calculate back pay or obtain an enforceable amount, rely on the official payroll documents and the competent HR or payroll service.

Recommended workflow

1. find the exact corps, framework, grade and index-step on your administrative documents;
2. choose the correct region and work locality;
3. enter mutual-fund and family information accurately;
4. run the simulation;
5. compare the result with your official documents;
6. treat any difference as something to investigate, not automatic proof of an error.

Choose the right category

The form covers many categories of public staff, including justice, foreign affairs, interior, higher education, national education, health, finance, prison administration and interministerial corps. Similar job titles can belong to different pay scales, so verify the corps and index before interpreting a difference between two simulations.

Official sources checked on 8 September 2026

• Official salary simulator
• Ministry — service presentation

Key point: enter your exact administrative situation and treat the result as an estimate, not as a payslip.