Free Financial Tools for Your Investments

Calculate returns, plan your financial future, and make smarter decisions with our accurate and easy-to-use calculators

Compound Interest

See how your money grows over time

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Retirement

Plan your 401(k), IRA, and retirement savings

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First Million

Discover how long until you reach $1 million

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Simple Interest

Calculate linear returns quickly

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Interest Conversion

Convert daily, monthly and annual rates

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Salary Converter

Transform monthly salary into annual or daily

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Mortgage Calculator

Simulate and compare amortization systems

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Personal Loan

Calculate payments, interest, and total cost

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Investment Simulator

Compare Stocks, Bonds, ETFs, and REITs returns

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Financial Independence (FIRE)

Discover when you can live off investments

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Inflation Calculator

Adjust values for inflation and compare purchasing power

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Dividend Calculator

Project passive income from stocks and REITs

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Credit Card

Get out of revolving credit and pay off debt

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Personal Budget

Organize your finances with the 50/30/20 rule

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ROI Calculator

Calculate return on investment and compare alternatives

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Income Tax Calculator

Simulate your income tax and find out if you'll pay or get a refund

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Social Security Simulator

Calculate your social security contribution and understand the brackets

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13th Salary Calculator

Calculate the net value of your 13th salary bonus

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Financial Goal

Plan how much to save to reach your goal

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Emergency Fund

Find out how much to keep for unexpected expenses

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Goal-Based Savings

Manage multiple financial goals simultaneously

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Paycheck Calculator

Calculate your take-home pay after taxes and deductions

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Net Worth Calculator

Track your assets and liabilities to measure financial health

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Debt Payoff Calculator

Compare snowball and avalanche methods to pay off debt faster

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Car Loan Calculator

Calculate monthly payments, interest, and amortization for your auto loan

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Down Payment Calculator

Plan how much to save for a home down payment and closing costs

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Tip Calculator

Calculate tips and split bills easily for restaurants and services

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Why use our tools?

Free & No Sign-Up

Use all tools at no cost and without creating an account

Accurate Calculations

Tested algorithms for reliable results in your decisions

Easy to Use

Intuitive interface, instant results on any device

Financial Education at Your Fingertips

Financial planning doesn't have to be complicated. With the right tools, you can visualize the impact of your decisions, plan investments, and achieve your goals more efficiently.

Our calculators were developed with both beginners and experienced investors in mind. Whether understanding compound interest, planning retirement, or simply converting interest rates, we have the right tool for you.

All calculators work 100% in your browser, ensuring complete privacy of your data. Explore, calculate, and make more informed financial decisions today.

Frequently Asked Questions

Yes! All calculators are 100% free and require no sign-up.
Calculadoras Financeiras Gratuitas | Juros, Investimentos e Planejamento