Calculators

Evaluate investments, project your retirement, and understand the true opportunity cost of your spending decisions.

Retirement Projection

Calculate how much you need to invest to safely reach your desired income.

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Real Return For High Yield (US)

Calculate real returns for US High Yield accounts accounting for taxes and inflation (CPI).

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Annual vs Monthly Converter

Convert effective rates between annual and monthly bases with compounding.

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Compound Interest

Project future value or solve the required rate to hit a target.

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Car Cost vs Investing

Compare different cars against the alternative of investing the money instead.

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Consumption Cost vs Investing

Calculate the true cost of an item by evaluating lost potential investment returns.

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CDB vs LCA/LCI Comparison

Compare tax-exempt (LCA, LCI, CRI, CRA) with taxed (CDB, Debentures) fixed income.

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About Our Financial Calculators

Our suite of financial calculators helps you make smarter investment decisions by going beyond nominal returns. Every tool is designed to give you a clear, inflation-adjusted picture of what your money can actually do.

Retirement Calculator

Plan your financial independence. Enter your current savings, monthly contributions, expected return, and target retirement date to discover how much you need to save and invest to retire comfortably.

CDB / LCA Calculator

Compare fixed-income investments in Brazil. Calculate the net yield of CDBs and LCAs after taxes, and see which option truly maximizes your purchasing power.

Compound Interest Calculator

Visualize the power of compounding over time. Adjust rate, period, and contribution to see how your wealth grows — and what inflation silently erodes along the way.

Rate Converter

Convert between annual, monthly, daily, and effective interest rates with precision. Essential for comparing investment products quoted in different time bases.

Car Cost Calculator

Understand the true cost of owning a vehicle. Beyond the purchase price, we factor in depreciation, maintenance, insurance, and the opportunity cost of the capital invested.

Opportunity Cost (Buy It?)

Before making a big purchase, see what that same money could become if invested. Compare the immediate satisfaction of a consumer item with its long-term financial impact.

HYSA / Yielding Account

See exactly how much your cash is earning in real terms. Compare high-yield savings accounts or similar liquid products and see if they are actually beating inflation.