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Calculators·Credit calculators

Credit calculators understand the cost of your debt

Loans, Price and SAC tables, credit card revolving and installments.

  • Loan calculator

    Compare SAC and Price: installments, interest and total cost.

  • Price table

    Fixed installments and how the debt evolves month by month.

  • SAC table

    Installments that go down and the balance month by month.

  • Revolving interest

    See how much a card debt grows when unpaid.

  • Installment interest rate

    Find the rate hidden in an installment purchase.

  • Loan prepayment

    How much you save paying an extra installment.

  • Debt payoff

    Snowball or avalanche: which costs less interest.

  • Cash or installments

    Is it better to pay now or in installments?

  • Paying only the card minimum

    What paying just the minimum costs.

  • Compare loans

    Two offers side by side, with fees.

All your money in one place

Accounts, cards, investments and goals in a single app. These calculators are a gift from JuntaTudo.

  • Accounts and cards
  • Investments and goals
  • Juntin, the AI that puts it all together
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Calculators

Free financial calculators, no sign-up, made for everyday life.

Ready to see everything in one place?

Investment calculators18
  • Compound interest
  • Simple interest
  • Investing with monthly contributions
  • Graham fair price
  • Bazin price ceiling
  • Gordon growth model
  • Bank CD (CDB)
  • Savings account
  • First million
  • Passive income
  • NPV (net present value)
  • Fixed income comparison
  • Treasury bonds (Tesouro Direto)
  • Portfolio income
  • Average price of assets
  • Dividend yield
  • Inflation: adjust a value
  • Real interest
Credit calculators10
  • Loan calculator
  • Price table
  • SAC table
  • Revolving interest
  • Installment interest rate
  • Loan prepayment
  • Debt payoff
  • Cash or installments
  • Paying only the card minimum
  • Compare loans
Property calculators7
  • Ethanol or gasoline
  • Rent or buy
  • Car cost
  • Rental yield
  • Cost of buying a property
  • Finance, consortium or cash
  • Own car or ride-hailing
Planning calculators9
  • Emergency fund
  • Percentage
  • Profit margin
  • Break-even point
  • Monthly savings for a goal
  • Financial independence
  • Are miles worth using?
  • Currency with IOF and spread
  • Net worth
Labor calculators9
  • Overtime pay
  • 13th salary
  • FGTS
  • Unhealthy work premium (insalubridade)
  • Hazard pay premium (periculosidade)
  • Net salary (Brazil)
  • INSS (social security)
  • Income tax on salary (IRRF)
  • Vacation pay
Health calculators5
  • Ideal weight
  • Daily calories
  • Weight loss
  • Lean mass gain
  • BMI
Date calculators4
  • Add and subtract dates
  • Business days
  • Day of the week
  • Date difference

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© 2026 JuntaTudo. Free calculators: results are estimates and do not replace the bank's offer. ·