Free Financial Simulators and Calculators
Run financial simulations quickly, for free, and securely to make better decisions.
Most used calculators
See all calculatorsInvestments
Compound Interest Calculator
Simulate investment growth with compound interest and monthly contributions.
Loans & financing
Price Table Financing Calculator
Simulate fixed installments of a loan using the French Amortization System (Price Table).
Investments
CDB Return Calculator – Free Brazil Investment Simulator
Simulate the net return of a CDB indexed to a percentage of the CDI, after tax.
Investments
CDB vs LCI/LCA vs Savings: Which Pays More? (Free Comparison)
Compare the net return of CDB, LCI/LCA and savings for the same amount and term.
Work & salary
Net Salary Calculator
Calculate net salary from gross salary, with Brazilian social security (INSS) and income tax (IRRF) deductions.
Financial planning
Financial Goal Calculator
Find out how long it takes to reach a financial goal with monthly contributions.
Investments
Tesouro Direto Calculator – Free Brazil Treasury Bond Simulator
Simulate the net return of Tesouro Selic, Tesouro IPCA+ or Tesouro Prefixado bonds.
Loans & financing
Buy vs. Rent Calculator
Compare the net worth of buying a financed property versus renting and investing the difference.
Retirement & pensions
INSS vs. PGBL/VGBL
Find out when you can retire under Brazil's INSS and compare with saving in a private pension plan.
Explore by category
Investments
Simulate returns on Brazilian fixed-income products like CDB, CDI and savings accounts.
Loans & financing
Calculate installments and interest for Price Table, SAC and personal loan financing.
Work & salary
Calculate net salary, vacation pay, 13th salary and FGTS under Brazilian labor law.
Financial planning
Tools to organize financial goals and understand the effect of inflation on your money.
Converters & indicators
Convert interest rates and check reference financial indicators.
Utility calculators
Everyday tools: days between dates, business days and deadlines.
Retirement & pensions
Simulate Brazilian INSS retirement rules and compare with private pension plans (PGBL/VGBL).
What is SimulaTudo
We are Brazil's largest portal of financial simulators and calculators. Every tool explains its result in plain language, with practical examples, to help you understand your finances — without promising returns or replacing professional guidance.
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