Income Tax Calculator (France)

How the French Income Tax System Works

France uses a household-based income tax system where, unlike most countries that tax individuals separately, uses a household-based approach through the quotient familial (family quotient) system. Your total household income is divided by a number of fiscal "parts" determined by family composition, and the progressive tax rates are applied to this per-part amount. The result is then multiplied back by the number of parts to arrive at total tax owed.

The French tax year runs from January 1 to December 31. Since 2019, France has implemented a prelevement a la source (pay-as-you-earn withholding) system, meaning employers deduct estimated income tax directly from monthly wages. Taxpayers still file an annual declaration (typically in April-June) to reconcile their actual liability. The tax authority, the Direction Generale des Finances Publiques (DGFiP), administers all personal income taxes.

French income tax (impot sur le revenu, or IR) is just one component of the total tax burden. Employees also pay social contributions (cotisations sociales) of roughly 22% of gross salary, covering health insurance, retirement pensions, unemployment insurance, and family benefits. Investment income is subject to a separate 30% flat tax (prelevement forfaitaire unique, or PFU), though taxpayers can opt for progressive taxation if advantageous. The CSG (contribution sociale generalisee) at 9.2% and CRDS at 0.5% apply to most forms of income.

Current French Income Tax Brackets (2025)

France applies progressive tax rates to taxable income per fiscal part. The brackets below show rates after the standard 10% deduction for professional expenses (deduction forfaitaire) has been applied:

A single person earning 40,000 gross would have approximately 36,000 in taxable income after the 10% deduction. With 1 fiscal part, their per-part income is 36,000. The tax would be: 0 on the first 11,294, plus 11% on 17,503 (from 11,294 to 28,797) = 1,925, plus 30% on 7,203 (from 28,797 to 36,000) = 2,161. Total income tax: approximately 4,086, for an effective rate of about 10.2%.

Key French Tax Terms

• Quotient familial — The family quotient system that divides household income by parts: 1 part per single adult, 2 parts for a married/PACSed couple, 0.5 additional parts per dependent child (1 full part for the third child onward). This benefits larger families significantly.
• Prelevement a la source (PAS) — The withholding-at-source system introduced in January 2019 where employers deduct estimated income tax monthly from wages, similar to PAYE in the UK.
• Prelevement forfaitaire unique (PFU) — The 30% flat tax on capital income (12.8% income tax + 17.2% social levies), also known as the "flat tax." Taxpayers can opt out and choose progressive taxation instead.
• CSG and CRDS — Social contribution taxes (9.2% and 0.5% respectively) applied to most income sources. A portion of CSG (6.8%) is deductible from taxable income.
• Decote — A tax reduction for low-income taxpayers. If your calculated tax is below a threshold (approximately 1,929 for singles, 3,191 for couples in 2025), you receive a partial reduction.
• Revenus fonciers — Rental income from property, which can be taxed under the micro-foncier regime (30% flat deduction for revenues under 15,000/year) or the regime reel (actual expenses deducted).
• Contribution exceptionnelle sur les hauts revenus (CEHR) — An additional surtax on high earners: 3% on income between 250,000 and 500,000 (500,000-1,000,000 for couples), and 4% above those thresholds.

Practical Tax Examples in EUR

Example 1 — Single employee earning 30,000/year: After the 10% professional deduction, taxable income is 27,000. With 1 part, the calculation is: 0% on the first 11,294 = 0, plus 11% on 15,706 (27,000 - 11,294) = 1,728. Total income tax: approximately 1,728, effective rate 5.8%. After factoring in the decote reduction, the actual tax may be even lower.

Example 2 — Married couple with 2 children, combined income 80,000: They have 3 fiscal parts (2 for the couple + 0.5 per child). After the 10% deduction, taxable income is 72,000. Per-part income: 72,000 / 3 = 24,000. Tax per part: 0 on first 11,294, plus 11% on 12,706 = 1,398. Total tax: 1,398 x 3 = 4,194. Effective rate: 5.2%. Without the quotient familial, a single person earning 72,000 would pay approximately 13,780 — the family benefits are substantial.

Example 3 — High earner at 150,000: After the 10% deduction (capped at 13,522 for employees), taxable income is approximately 136,478. With 1 part: 0 on first 11,294, plus 11% on 17,503 = 1,925, plus 30% on 49,773 = 14,932, plus 41% on 57,908 = 23,742. Total tax: approximately 40,599, effective rate around 27.1%.

Tax-Saving Strategies in France

• Maximize family parts: Marriage or PACS (civil partnership) creates 2 fiscal parts, and children add 0.5 parts each (1 full part from the third child). This can dramatically lower the marginal rate applied to household income.
• Use the Plan d'Epargne Retraite (PER): Contributions to this retirement savings plan are deductible from taxable income, up to 10% of professional income (capped at approximately 35,194 in 2025). This directly reduces your impot sur le revenu.
• Real expense deduction (frais reels): Instead of the flat 10% professional expense deduction, you can opt to deduct actual work-related expenses (commuting, meals, home office) if they exceed 10% of salary.
• Charitable giving (dons): Donations to eligible organizations provide a tax credit of 66% (up to 20% of taxable income) or 75% for aid organizations (up to 1,000/year at the 75% rate).
• Home energy renovation (MaPrimeRenov): While not a direct tax deduction, qualifying energy efficiency improvements can provide substantial credits and are combined with reduced VAT rates.
• Pinel and Denormandie schemes: Investments in qualifying rental property in designated zones can provide income tax reductions of 12-21% of the purchase price over 6, 9, or 12 years.
• Employ domestic help: A 50% tax credit applies to expenses for employing household help (cleaning, childcare, tutoring), up to a ceiling of 12,000-15,000/year depending on circumstances.