Compound interest, contribution plans, and the curve that changes everything.
Calculate compound interest with monthly contributions, see the growth curve, and find out why Einstein called it the eighth wonder of the world.
Calculate the Compound Annual Growth Rate of any investment. Compare against S&P 500, bonds, and inflation. Project forward and see the Rule of 72 in action.
See how long it takes to double your money at any return rate — and how 4× and 8× milestones stack on top.
Model long-term dividend reinvestment, see DRIP vs cash side-by-side, and project annual income at any future year.
See the taxable yield you'd need to match a muni bond after federal and state taxes — the apples-to-apples number.
See what your money will be worth years from now. Model lump sums, monthly contributions, and compound growth with one clean calculator.
Discount future money to today's dollars — see what a future cash flow is actually worth now.
Calculate total return, CAGR, and annualized growth across any investment, with or without recurring contributions.
See your annual, monthly, and quarterly dividend income — with growth, reinvestment, and tax-adjusted take-home figures.
See your DCA portfolio trajectory — monthly contributions, annual step-ups, total gains, and a head-to-head vs lump-sum investing.
Get a suggested mix of stocks, bonds, alternatives, and cash based on your age, risk tolerance, and investment horizon — with dollar amounts and a projected portfolio value.
Project how your investment portfolio compounds over time with monthly contributions, annual step-ups, and expense ratios — see contribution vs growth year by year.
See how investment fees and expense ratios silently erode your portfolio — compare low-cost vs high-cost funds over decades.
Project the long-term growth of an ETF portfolio with dividends reinvested — net of expense ratio.
Find the exact buys and sells to bring your portfolio back to its target allocation — no spreadsheet needed.
