Cofrinha

Your situation

Six questions, and we'll work out what each investment would leave you after tax. Your answers stay in your browser.

How much are you starting with?

Slide, or tap the amount to type it. Only saving monthly? Put €0.

€0€1,000,000

Adding something each month?

Optional. Leave €0 if you're only investing a starting amount.

€0€5,000

How old are you?

Some rules, like the PPR ones, depend on your age.

How long do you plan to leave this money invested?

For some investments, tax goes down over time, for example after 5 or 8 years.

If the value drops for a while, how would you feel?

Investments riskier than your choice stay on screen, with a note.

Where do you pay income tax?

Tax rules change depending on your situation.

Educational information, not investment advice. The figures are estimates to help you understand, not promises.

How we do the maths

Frequently asked questions

  • They go from least to most risky, and that order never changes.

    The site doesn't rank them by what they earn, so it never looks as if a choice is being made for you.

  • For a tax resident under the standard regime, interest from a deposit or Certificados de Aforro is taxed at 28%, and an ETF gain at 28% when you sell.

    The PPR follows its own rules: a tax reduction while you pay in, and lower tax when you take it out, under conditions.

    Sources: Código do IRS, art. 71 and 72 (version of 4 November 2026) ; Estatuto dos Benefícios Fiscais, art. 21 (version of 17 August 2026); Código do IRS, art. 78(3)

  • Each year, 20% of what you pay into a PPR can reduce your IRS, up to €400, €350 or €300 depending on your age.

    But the relief comes off the tax you pay, with no refund: if your tax is low, it can be worth less, or nothing. So the site also shows the result without it. Once you're retired, payments no longer qualify.

    Source: Estatuto dos Benefícios Fiscais, art. 21 (version of 17 August 2026); Código do IRS, art. 78(3)

  • Nobody knows tomorrow's rates or markets. The median scenario uses the level seen most often in the past; the pessimistic and optimistic ones show a low case and a high case.

    They're not forecasts. The Methodology page gives the source of every rate.

  • Bank deposits are guaranteed up to €100,000 per person and per bank. Certificados de Aforro are Portuguese State debt.

    An ETF can lose value, and so can a PPR invested partly in shares. The comparison flags these risks on each card.

    Sources: Fundo de Garantia de Depósitos, amounts guaranteed (accessed 14 November 2026) ; Portaria n.º 149-A/2023 and IGCP technical sheet for Certificados de Aforro series F (accessed 14 November 2026)

  • The calculation shown is a tax resident's under the standard regime, as a reference point.

    For a non-resident or a newcomer under IFICI, the real tax can be very different, either way. The site says so instead of guessing.

  • No. They stay in the open tab and disappear when you close it. Nothing is sent, and there's no account and no cookie.

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