All Abak calculators

Simulate interest, mortgages, investments, inflation and exchange rates right in your browser. Every calculator uses official data, shows the math and needs no sign-up.

Plan and invest

Simple and compound interestWith monthly contributionsInvestmentsPortfolio with income taxFinancial goalHow much to save per month

Simulations for growing your wealth with regular contributions, following the income tax on investments, or finding out how much to save each month to reach a goal.

Credit and debt

MortgageSAC and Price side by sideRate converterMonthly, annual and effective

Tools for anyone taking out or renegotiating a loan, or comparing rates between different offers.

Inflation and exchange rates

Inflation adjusterValue over timeCurrency converterReal, dollar and euro

Adjust amounts by official inflation or convert currencies at the Central Bank of Brazil PTAX rate.