HomeGuides and ArticlesHow to use a financial calculator

How to use a financial calculator

Complete guide to using financial calculators and interpreting results.

Financial calculators are essential tools for making decisions about investments, mortgages and financial planning. See how to use each of our calculators.

Mortgage Calculator

  1. Enter the total value of the asset
  2. Enter the down payment (if any)
  3. Set the annual interest rate
  4. Choose the term in months
  5. Select SAC or Price
  6. See the complete amortization table

Compound Interest Calculator

  1. Enter the initial investment value
  2. Enter the monthly contribution (optional)
  3. Set the interest rate (monthly or annual)
  4. Choose the period
  5. Compare different scenarios

IRR Calculator

  1. Add the initial investment (negative value)
  2. Enter the returns period by period
  3. IRR will be calculated automatically
  4. Compare with your hurdle rate

Fixed Income Comparator

  1. Choose the investment type
  2. Enter the value and term
  3. Compare net return
  4. Consider inflation for real gain

General tips

  • Always use realistic values
  • Compare different scenarios
  • Save important simulations to favorites
  • Share with whoever will make the decision together

Related calculators

Loan Calculator

Simulate your loan using SAC or PRICE systems. View the complete amortization schedule with all installments.

Compound Interest

Calculate the yield of your investments with compound interest over time.

Fixed Income Comparator

Compare fixed income investments (Fixed Rate, CDI, IPCA+, Selic) net of IR/IOF taxes and inflation.

IRR Calculator

Calculate the Internal Rate of Return of a series of cash flows.

Frequently Asked Questions

Are the results exact?
They are very accurate estimates based on standard financial formulas. Actual values may vary due to additional fees, rounding or specific contract conditions.
Can I trust them to make decisions?
Yes, to have a solid basis for comparison. For important decisions, we also recommend consulting a financial professional.
How to save a simulation?
Click the "Save" button next to the "Share" button. The simulation will be saved in your favorites, accessible from the menu.
Can I share a simulation?
Yes! Click "Share" to copy the link. Whoever opens the link will see exactly the same simulation with the same values.
View all guides
How to use a financial calculator