Belgium salary calculator 2026
Work out take-home pay in Belgium for 2026 from your gross salary, find the gross needed for a target net, or see what a hire really costs. Every deduction is shown step by step.
Defaults to your region. Switch to compare any other scale.
Income year 2026 (assessment year 2027), white-collar employee, single without dependants, individual taxation; enter the municipal surcharge of your commune (the default is 7%). Pay is spread over 12 equal months; the work bonus for low wages, holiday-pay and 13th-month specifics, meal vouchers and company cars are not modelled.
Result
€2,614.66
Net pay per month
Gross €4,000.00 · employer cost €5,000.00
- Gross pay (per month)€4,000.00
- Federal income tax−€772.24
- Municipal surcharge−€54.06
- Social security (ONSS, 13.07%)−€522.80
- Special social security contribution−€36.24
- Total employee deductions−€1,385.34
- Net pay (per month)€2,614.66
- + Social security, employer (25%)+€1,000.00
- Total employer cost (per month)€5,000.00
- Lump-sum professional expenses (30%, max €6,070) (per year)€6,070.00
- Tax-free allowance (€11,180 × 25%) (per year)€2,795.00
- Taxable income (per year)€35,656.40
- Effective deduction rate34.6%
- Tax year2026
Rules used
Income year 2026 (assessment year 2027), white-collar employee, single without dependants, individual taxation; enter the municipal surcharge of your commune (the default is 7%). Pay is spread over 12 equal months; the work bonus for low wages, holiday-pay and 13th-month specifics, meal vouchers and company cars are not modelled.
Step-by-step breakdown
| Item | Rate | Base per year | Per month | Per year |
|---|---|---|---|---|
| Gross pay | €4,000.00 | €48,000.00 | ||
| − Federal income tax | €35,656.40 | €772.24 | €9,266.88 | |
| − Municipal surcharge | 7% | €9,266.88 | €54.06 | €648.68 |
| − Social security (ONSS, 13.07%) | 13.07% | €48,000.00 | €522.80 | €6,273.60 |
| − Special social security contribution | €48,000.00 | €36.24 | €434.87 | |
| = Net pay | €2,614.66 | €31,375.97 | ||
| + Social security, employer (25%) | 25% | €48,000.00 | €1,000.00 | €12,000.00 |
| = Total employer cost | €5,000.00 | €60,000.00 |
About this tool
Employees pay 13.07% social security (ONSS) on gross pay. Taxable income is pay after ONSS minus lump-sum professional expenses of 30% (at most €6,070). Federal tax for income year 2026: 25% up to €16,720, 40% to €29,510, 45% to €51,070 and 50% above, reduced by 25% of the €11,180 tax-free allowance. The municipality adds its surcharge as a percentage of that tax, and a special social security contribution of up to €731.28 a year is withheld.
For a private-sector employee the employer pays 25% (basic contribution of 19.88% plus wage moderation). Sector funds, the 1.69% levy for employers with 10 or more workers and the structural reduction for low wages are not included.
Income year 2026 (assessment year 2027), white-collar employee, single without dependants, individual taxation; enter the municipal surcharge of your commune (the default is 7%). Pay is spread over 12 equal months; the work bonus for low wages, holiday-pay and 13th-month specifics, meal vouchers and company cars are not modelled.
Formula
Net = Gross − income tax − employee social contributionsEmployer cost = Gross + employer contributionsNet → gross: solve Net(Gross) = target by bisection
How it is calculated
- Choose the country (each has its own page and tax year).
- Pick gross → net, net → gross or employer budget, then enter the amount per month or per year.
- Set personal options such as dependants, tax class, region or state.
- Read the step-by-step breakdown of every tax and contribution, plus the total employer cost.
Questions
How is net salary calculated in Belgium?
Employees pay 13.07% social security (ONSS) on gross pay. Taxable income is pay after ONSS minus lump-sum professional expenses of 30% (at most €6,070). Federal tax for income year 2026: 25% up to €16,720, 40% to €29,510, 45% to €51,070 and 50% above, reduced by 25% of the €11,180 tax-free allowance. The municipality adds its surcharge as a percentage of that tax, and a special social security contribution of up to €731.28 a year is withheld.
How much does an employee cost the employer in Belgium?
For a private-sector employee the employer pays 25% (basic contribution of 19.88% plus wage moderation). Sector funds, the 1.69% levy for employers with 10 or more workers and the structural reduction for low wages are not included.
Can I work out the gross salary from a net amount?
Yes. Choose “Net → gross”: the calculator searches for the gross salary whose deductions leave exactly your net amount, then shows the full breakdown. “Employer budget” does the same starting from the total cost.
Which tax year and rules does the calculator use?
Income year 2026 (assessment year 2027), white-collar employee, single without dependants, individual taxation; enter the municipal surcharge of your commune (the default is 7%). Pay is spread over 12 equal months; the work bonus for low wages, holiday-pay and 13th-month specifics, meal vouchers and company cars are not modelled.
Sources
- SPF Finances — Taux d'imposition et quotité exemptée (revenus 2026)
- Montants fiscaux indexés E.I. 2027 (frais professionnels forfaitaires 30 %, max. 6 070 €)
- ONSS — Instructions administratives 2026/3, cotisations de sécurité sociale (13,07 %; 19,88 % + modération salariale)
- ONSS — Instructions administratives 2026/3, cotisation spéciale pour la sécurité sociale