Compound Interest Calculator — France

See how your investments grow after the PFU flat tax (31.4%). Free compound interest calculator for French investors.

Fiscalité pour les investisseurs français

Prélèvement Forfaitaire Unique (PFU)
Flat 31.4% tax on capital gains since 2026, consisting of 12.8% income tax and 18.6% social charges (increased from 17.2%).
Progressive Option
You can opt for progressive taxation if your marginal rate is below 12.8%, but social charges (18.6%) still apply.
PEA Advantage
Investments held in a PEA for 5+ years benefit from exemption from income tax (only social charges apply). FTT of 0.4% applies to large French stocks.

Disclaimer: This is a simplified calculation. Actual taxes depend on your personal situation, annual exemptions, and when gains are realized. Consult a tax advisor for accurate advice.

Frequently Asked Questions

What return rate should I use?

Historical global stock market returns average 7-10% per year. Use 7% for a conservative estimate that accounts for inflation.

Does this calculator account for inflation?

No, results are shown in nominal terms. Subtract 2-3% from your return rate for a rough inflation-adjusted estimate.

How accurate is this calculation?

This is a simplified estimate. Actual taxes depend on your personal situation, holding period, and local regulations. Consult a tax advisor for precise numbers.

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