Get an estimate of your tax liability and discover ways to optimize your tax situation

Calculate Your Belgian Income Tax

MonthlyAnnual

Monthly gross income

Number of dependent children you have

Note: This calculator uses the official 2025 (assessment year 2026) tax brackets from the Belgian tax authorities. The basic personal tax allowance is €10,900, with additional allowances for dependent children. The calculator includes the regular social security contribution (13.07%) and the special social contribution ("Cotisation sociale spéciale"). This is a simplified calculation and does not account for all deductions, special tax statuses, or other factors that might affect your actual tax liability.