Privacy and terms

Last updated: 29/10/2026

Who we are

This site is run by Joao Jorge, a sole trader (empresário em nome individual) based in Portugal, who is the controller of the personal data described in this policy.

Postal address: Ribeira da Folga – CX Postal 556, Pardieiro, 8550-152 Marmelete, Monchique, Portugal.
Email: [email protected]

Privacy

The calculators run entirely in your browser. The values you type are not sent to any server, are not stored and are not shared. We do not ask you to register or create an account.

This site does not use advertising cookies or analytics tools. The hosting service may log technical data (such as your IP address and browser type) for security and operational reasons, under its own policy.

If you send us an email, we use your address and your message only to reply, based on our legitimate interest in answering requests, and we delete the conversation when it is no longer needed. You have the right of access, rectification, erasure, restriction and objection, which you can exercise via the email above, and the right to lodge a complaint with the Comissão Nacional de Proteção de Dados (CNPD, www.cnpd.pt).

Terms of use

The calculators are free and provide only approximate simulations with no official value. They are not tax, accounting or legal advice. The rates used are listed in Sources and rates and are reviewed every year in January, but they may change or contain errors.

Before making decisions, always check on the Portal das Finanças, on Segurança Social Direta or with a certified accountant. To the extent permitted by law, we are not responsible for decisions made on the basis of these simulations. Nothing in these terms limits the rights the law gives you.

This site does not belong to and is not associated with the Autoridade Tributária e Aduaneira or the Segurança Social.

The Portuguese version of these pages is the reference version. If the two versions differ, the Portuguese version applies.

Approximate simulation, with no official value, and not tax advice. It uses the general 2026 rates and simplified rules: it does not take into account tax credits (deduções à coleta), the minimum subsistence amount (mínimo de existência), IRS Jovem, other household income, aggregation of income (englobamento), the increase in taxable income under art. 31 of the CIRS (unjustified expenses), or the IRS rates of the Autonomous Regions. The real result may be very different. Always check on the Portal das Finanças, on Segurança Social Direta or with a certified accountant (contabilista certificado). This site does not belong to and is not associated with the Autoridade Tributária e Aduaneira (AT) or the Segurança Social. Sources and rates.