See How Your Money Grows

Free compound interest, investment, and retirement calculators. Plan your financial future with interactive charts and instant results.

Try the Compound Interest Calculator

All Financial Calculators

19 free calculators to help you make smarter financial decisions

Interest & Growth

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Compound Interest Calculator

Calculate how your money grows with compound interest over time. See year-by-year breakdowns with interactive charts.

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Future Value Calculator

Calculate the future value of money with or without regular payments. Support for ordinary annuity and annuity due.

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Simple Interest Calculator

Calculate simple interest (not compounded). Compare simple vs compound interest side by side.

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Rule of 72 Calculator

Quick calculator for how long it takes to double your money. Compare different interest rates instantly.

Investing

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Investment Calculator

Calculate investment returns with regular contributions. See total invested vs total value with growth visualization.

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Dividend Calculator

Calculate dividend income and DRIP growth. Project annual dividend income with reinvestment over time.

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Stock Profit Calculator

Calculate profit/loss on stock trades. See total return, percentage return, and annualized returns.

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Dollar Cost Averaging Calculator

Simulate a DCA investment strategy. Compare dollar cost averaging vs lump sum investing over time.

Economic

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Inflation Calculator

Calculate the effect of inflation on purchasing power over time. See what your money will be worth in future dollars.

Retirement

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Retirement Calculator

Comprehensive retirement planner. See if you're on track for retirement with projected savings and income.

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401k Calculator

Calculate 401k growth with employer match. See the impact of employer matching and Roth vs Traditional comparison.

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RMD Calculator

Calculate Required Minimum Distributions using current IRS life expectancy tables. Plan your retirement withdrawals.

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Social Security Calculator

Estimate Social Security benefits based on income and claiming age. Compare claiming at 62, 67, and 70.

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Annuity Calculator

Calculate annuity payments and values. Support for ordinary annuity and annuity due calculations.

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FIRE Calculator

Financial Independence, Retire Early calculator. Calculate your FIRE number, years to FIRE, and explore Coast FIRE and Lean FIRE.

Savings

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CD Calculator

Certificate of deposit calculator. Calculate maturity value, total interest earned, and compare different CD terms.

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Savings Calculator

Calculate savings growth with regular deposits. See total deposits vs interest earned breakdown over time.

Personal Finance

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Net Worth Calculator

Calculate your total net worth. Input assets and liabilities to see your complete financial picture.

Real Estate

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Rental Income Calculator

Calculate rental property ROI including cash flow, cap rate, and return on investment with all expenses.

Financial Guides

Learn the fundamentals of saving, investing, and retirement planning

The Power of Compound Interest

Learn how compound interest works, the Rule of 72, and real-world scenarios that show why starting early matters.

How to Calculate Your Retirement Number

Determine exactly how much you need to retire comfortably based on your lifestyle and goals.

Understanding the FIRE Movement

Explore Financial Independence, Retire Early strategies including Lean, Fat, Coast, and Barista FIRE.

401k vs Roth IRA: Which Is Right for You?

Compare traditional 401k and Roth IRA accounts to find the best retirement savings strategy.

How Inflation Erodes Your Savings

Understand inflation's impact on purchasing power and learn strategies to protect your wealth.

View All Guides