What money does over time.
Compounding, annualized returns, and inflation — the three forces that decide what your money becomes.
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Compound Interest
Future value with periodic contributions and any compounding frequency. See the share of the final balance that's principal vs. interest earned.
Best when projecting investments, savings goals, or seeing what time does to a regular contribution.
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Dividend & DRIP
Project a dividend portfolio with reinvestment (DRIP), dividend growth, and contributions. See final value, total dividends, and your yield on cost.
Best when planning dividend income or seeing what reinvesting does over decades.
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Investment Return
From start value, end value, and holding period to total return and CAGR — the annualized figure that lets you compare investments honestly.
Best when comparing investments held for different lengths of time.
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Inflation
Purchasing power over time: what a future amount is worth in today's dollars, and what today's expenses cost in N years at a given inflation rate.
Best when setting retirement spending targets or sanity-checking long-range plans.