Calculation method
A constant assumed annual return is compounded at the chosen frequency, converted to monthly periods, with contributions deposited at each month-end.
Saving & investing · General formulas
Investment Growth Calculator
Explore a hypothetical investment balance over time. Use the example values or enter your own numbers to explore an estimate.
Currency formatting only—not an exchange-rate conversion. No country-specific tax or government rules are applied.
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Enter your details to see a personalized calculation, a simple projection, and the assumptions behind it.
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Assumptions & limits
- Returns are hypothetical and are not guaranteed.
- Does not model volatility, taxes, inflation, or fees.
- Basis: user-entered values.
- Basis: standard fixed-payment and time-value-of-money formulas.
Tax or legal rule year: Not applicable — no country-specific rules are used.