About Box 3 Calculator
A free, transparent tool to help you understand and estimate your Dutch wealth tax
🎯 Our Mission
Box 3 tax can be confusing, especially for expats and first-time filers in the Netherlands. We created this calculator to make it simple, transparent, and accessible to everyone.
Our goal is to help you understand how much Box 3 tax you'll owe, so you can plan your finances better and avoid surprises when filing your tax return.
💡 Why We Built This
The Dutch tax system, particularly Box 3, has undergone significant changes in recent years. With the introduction of the "Overbruggingswet" (transitional law) and different rates for savings vs. investments, calculating your tax burden became more complex.
We wanted to create a tool that:
- Is completely free - no hidden fees or premium features
- Protects your privacy - all calculations happen in your browser, we never see your data
- Is easy to use - no tax jargon, just simple inputs
- Is accurate - updated with the latest rates and rules
- Is educational - helps you understand how Box 3 works
✨ What We Offer
Tax Calculator
Calculate your Box 3 tax for 2023, 2024, and 2025 with accurate rates
Share Results
Share your calculation with your tax advisor or partner via a simple link
Comprehensive Guides
Learn about savings, investments, debts, fiscal partners, and more
FAQ & Glossary
Get answers to common questions and understand Dutch tax terminology
Download Results
Export your calculation as an image for your records
Tax Savings Tips
Discover legal strategies to reduce your Box 3 tax burden
🔒 Privacy & Security
Your financial privacy is our top priority. All calculations are performed entirely in your browser using JavaScript. We never send your financial data to our servers, and we never store it.
What This Means for You:
- ✓ Your data never leaves your device
- ✓ No registration or login required
- ✓ No tracking of your financial information
- ✓ HTTPS encryption for all connections
We use Google Analytics to understand how visitors use the site (page views, browser type, etc.), but this does not include your financial data. See our Privacy Policy for details.
⚖️ Important Disclaimer
Not Professional Tax Advice
This calculator is for informational and educational purposes only. It is not a substitute for professional tax advice. Tax laws are complex and change frequently. For personalized advice, please consult a qualified tax advisor (belastingadviseur) or contact the Belastingdienst directly.
📧 Get in Touch
We'd love to hear from you! Whether you have questions, feedback, bug reports, or suggestions for improvement, please reach out.
Contact Information
💡 Tip: Before contacting us, check our FAQ page - your question might already be answered!
❤️ Support the Project
This project is completely free. If you find it helpful, here are ways you can support us:
- Share it with friends, colleagues, or on social media
- Recommend it to others who might find it useful
- Provide feedback to help us improve the calculator
- Spread the word on expat forums and communities