Capital gains tax calculator
Enter the values to calculate your tax under the chosen regime. The calculator also automatically shows the comparison with abnormal management.
What is the capital gains tax?
From 1 January 2026, Belgium taxes profits on the sale of financial assets (stocks, ETFs, funds, crypto, etc.) held by private individuals. The tax only applies to gains — if you sell at a loss, you owe nothing on that sale.
How does this calculator work?
Choose the applicable regime, enter your acquisition cost, photo moment value and sale price, and the tool instantly calculates your estimated tax with a step-by-step breakdown. Every field has a ? button with detailed explanation.
Who does this apply to?
All Belgian tax residents (natural persons) who hold financial investments. Companies and non-residents are not subject to this tax.
Original purchase price in EUR
Value on 31 December 2025
Actual or expected sale price in EUR
This calculation is indicative and does not account for all possible situations (such as exemption carry-forward, cumulative loss offset or interaction with withholding tax). Consult a tax adviser for your specific situation.
Meer lezen
De drie regimes
10%, aanmerkelijk belang en interne meerwaarden vergeleken.
Het fotomoment
Waardebepaling op 31 december 2025 — methodiek en hogere kostprijs.
Abnormaal beheer
Het parallelregime van 33% — wanneer betaal je het tienvoudige?
Opt-in vs opt-out
Bronheffing of zelfaangifte? Onze keuzehulp helpt u beslissen.