The calculation
Gross salary€ 40.000
Taxable salary€ 40.000
Income tax and national insurance€ 14.320
− General tax credit− € 2.458
− Labour tax credit− € 5.576
Tax you pay€ 6.286
Net a year€ 33.714
Effective tax rate15.7%
Tax on your next €1,00042.0%
Income tax plus the part of the two tax credits you lose as you earn more.
- With the 8% holiday allowance on top (usually paid in May), you take home € 1.856 more a year.
Questions
How much is €40,000 gross net per month in the Netherlands?
About €2,810 a month in 2026, €33,714 a year, without holiday allowance. The 8% holiday allowance adds €1,856 net a year.
Why isn't my tax rate 37.56%?
The general tax credit (€2,458) and the labour tax credit (€5,576) come off your tax, so you effectively pay 15.7%.
Why you pay less than the bracket rate, in 70 seconds:
2026 rates. Assumes this is your only income, no pension contribution, below state pension age, and standard Dutch payroll. Holiday allowance is shown separately. An estimate, not tax advice.