· Dutch Tax Calculator Editorial Team · Tax
Box 3 Calculator Netherlands 2026
Estimate 2026 Dutch Box 3 tax from savings, investments and debts using the provisional notional-return method.
Box 3 calculator — Dutch Tax Calculator Guides
Browse the articles about box 3 calculator. Each guide is written for readers who may be new to Dutch tax terms and states the assumptions that affect its answer.
Check the tax year and last-verified date before using a rate or threshold. For an individual filing position, use your own documents and an appropriate official or professional source.