Informational purposes only, not financial advice — always do your own research. See our full legal disclosure for details.

Financial Calculators: Free Tools to Plan Your Money

Big money decisions get easier when you can see the numbers. Our free financial calculators show you what your savings, debt and retirement could look like.

Five Tools to Take Control of Your Money

Compound Interest Calculator

See how time and returns grow your savings with the compound interest calculator.

Credit Card Payoff Calculator

Build a plan to clear your balance with the credit card payoff calculator.

Mortgage Payoff Calculator

Find out how extra payments shorten your loan with the mortgage payoff calculator.

Platform Reviews & Comparisons

Choose the right bank, broker or app with our platform reviews and comparisons.

Retirement Calculator

Estimate your savings goal with the retirement calculator.

Use, Understand and Get Inspired

Every tool comes with a detailed guide that explains the formulas, assumptions and tax rules behind the results. A practical article then shows real scenarios and strategies. Finally, six real people share their stories: their situations, their problems and how the numbers helped.

Browse all tools and guides below.

  • Compound Interest Calculators Compared: Which One Fits Your Plan?

    Jozsef Huszar

    By Jozsef Huszar • Updated: October 25, 2026 A compound interest calculator shows what time, rate and regular deposits can do to a balance, and the best tool depends on whether you are saving, investing or drawing money down. We reviewed eight online calculators, compared the inputs and outputs of each, and ran one shared…

  • Mortgage Payoff Calculators Compared: Which One Fits Your Loan?

    Jozsef Huszar

    By Jozsef Huszar • Updated: October 25, 2026 A mortgage payoff calculator answers a simple question: how much sooner, and how much cheaper, can you finish your loan? For this guide we reviewed eight online calculators, compared what each one asks for and what it returns, and then ran one shared example through standard amortization…

  • Credit Card Payoff Calculators Compared: What 8 Tools Show You

    Jozsef Huszar

    By Jozsef Huszar • Updated: October 25, 2026 A credit card payoff calculator answers one question: how long will this balance last? This comparison checks eight calculators and tools as of October 25, 2026, then runs one $5,000 balance through the math ourselves, using the 22.36% average APR the Federal Reserve reported for August 2026.…

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This article is for informational purposes only and does not constitute financial advice. We may receive compensation from our partners when you click on links or apply for products featured here; this does not influence our editorial opinions or ratings. For complete terms, see our full legal disclosure.