Belgium & France

Micro-entrepreneur contributions (France)

Your social contributions and what's left of your micro-business revenue.

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How it works

Indicative rates: goods 12.3%, BIC services 21.2%, BNC liberal 26.1% (2026 rates). Leave "rate" empty to use them. Flat-rate tax option: 1%, 1.7% or 2.2% of revenue.

Results are for guidance only and do not replace professional advice.

Worked example

With the default values:

  • Revenue this month3500
  • ActivityLiberal profession (BNC)
  • Flat-rate income tax option?No

you get:

  • Left after contributions€2,579.50
  • Social contributions (26.1%)€913.50
  • Training levy€7.00
  • Flat-rate income taxNot chosen (normal tax scale)

Frequently asked questions

How does the “Micro-entrepreneur contributions” tool work?

Indicative rates: goods 12.3%, BIC services 21.2%, BNC liberal 26.1% (2026 rates). Leave "rate" empty to use them. Flat-rate tax option: 1%, 1.7% or 2.2% of revenue.

What do I need to enter?

Just fill in: revenue this month, activity, contribution rate, flat-rate income tax option?. The result updates as you type.

Can you give an example?

Revenue this month: 3500; Activity: Liberal profession (BNC); Flat-rate income tax option?: No → Left after contributions: €2,579.50; Social contributions (26.1%): €913.50.

Is this calculator free, and is my data private?

Yes. HOD Calc is completely free with no sign-up. The calculation runs in your browser: nothing you type is sent or stored.