Dutch Wealth Tax Calculator

Box 3

Compare today's rules with the actual-return system proposed for 2028.

Joint filing (fiscal partners)

Applies to both tabs

Reference date 1 January 2026, per the Belastingdienst provisional assessment. The assets rate is definitive; the bank and debt rates are provisional until finalized in early 2027.

Your situation

Notional (forfaitaire) return system.

Bank balances

€

Other assets (stocks, crypto, etc.)

€

Total debts

€

First € 3.800 of debt does not reduce your taxable return.

Result

Box 3 wealth tax owed

€ 0,00

Bank return (1.28%)€ 0

Assets return (6.00%)€ 0

Debt return (2.70%)− € 0

Total notional return€ 0

Net assets (rendementsgrondslag)€ 0

Tax-free allowance€ 59.357

Taxable base€ 0

Share of return taxed0%

Long-term projection

Assumes a constant annual return and today's rules held flat for 30 years — a simplified illustration, not a forecast.

Starting investment assets

€

Assets subject to Box 3 (stocks, funds, crypto, etc.).

Assumed annual return

Applied every year to both the notional and actual-return systems.

Net wealth over time

No Box 3 tax

2026 · Current law

2028 · Proposed

Cumulative Box 3 tax paid

2026 · Current law

2028 · Proposed

Year	No tax (ref.)	2026 wealth	2028 wealth	2026 tax paid	2028 tax paid
10	€ 236.736	€ 211.374	€ 183.517	€ 18.301	€ 36.853
20	€ 560.441	€ 427.210	€ 329.730	€ 69.590	€ 108.973
30	€ 1.326.768	€ 845.485	€ 585.707	€ 184.807	€ 242.835

Organizations challenging Box 3 in court: Bond voor Belastingbetalers · VEB (Vereniging van Effectenbezitters)

The numbers you enter are calculated entirely in your browser and are never sent to a server.