Every Dutch income tax rate, threshold and allowance the NL Tax Calculator uses, per year, as JSON, CSV and Markdown, each value with its Belastingdienst source. Free to use with credit (CC BY 4.0).
Box 1 brackets, tax credits, Box 3, the own home, the 30% ruling and the self-employed deduction for 2024, each with its Belastingdienst source.
Box 1 brackets, tax credits, Box 3, the own home, the 30% ruling and the self-employed deduction for 2025, each with its Belastingdienst source.
Box 1 brackets, tax credits, Box 3, the own home, the 30% ruling and the self-employed deduction for 2026, each with its Belastingdienst source.
Every 2026 rate, threshold and allowance the calculators use: income tax, benefits (toeslagen), buying a home, NHG, the BV, visa salary norms, inheritance and gift tax, company cars and health insurance.
The core income tax figures for every supported year side by side, to compare years or check a past return.