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Free Micro-entrepreneur Calculator
Know what you will really keep from your turnover. Choose your activity, enter your revenue, add the optional flat-rate tax — the contributions and net income appear instantly. Free and private.
Everything a micro-entrepreneur needs
Eight features to estimate contributions without an accountant.
Sales & services
Distinct contribution rates for goods sales (BIC) and services (BIC/BNC).
Liberal activities
The correct rates for liberal professions and independent activities.
Optional flat-rate tax
Include the versement libératoire to estimate income tax on turnover.
Instant results
Contributions, optional tax and net income update live as you type.
Clear breakdown
Social contributions, flat-rate tax and net income are shown separately.
Copy the result
Copy the contributions or net income for your records.
Private by design
Everything runs in your browser. Nothing is uploaded, no account.
Free forever
No account, no trial — use it as often as you need.
Go deeper
The right rate for the right activity
Official indicative contribution rates.
- Goods sales: 12.3%
- Services: 21.2%
- Liberal activities: 21.2%
- Rates clearly displayed
Optional flat-rate tax
Estimate the income tax option.
- 1% for sales
- 2.2% for services and liberal
- Added to contributions
- Shown separately
A clear result
Know what you keep from your turnover.
- Social contributions
- Optional income tax
- Total to pay
- Net income remaining
Private & free forever
No account, no upload.
- 100% in-browser
- Auto-save in localStorage
- Free, unlimited
- Works offline
Estimate your contributions in 2 steps
From turnover to net income in seconds.
Select sales, services or liberal activity, and whether you opted for the flat-rate tax.
Type your monthly or annual revenue. Contributions, tax and net income appear instantly.
Know what you really keep
Estimate your contributions now — free, private and instant.
Open the micro-entrepreneur calculatorInvoice Generator FAQs
Yes, completely free and unlimited. No account, no registration.
They are the official indicative URSSAF rates. Always confirm with the latest official tables.
It is an optional flat-rate income tax paid on turnover, instead of the classic income tax return.
Goods sales (BIC), services (BIC) and liberal activities (BNC).
No. Everything runs in your browser and only your last inputs are saved locally.
No — the CFE (property business tax) and specific surcharges are not included.
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