Compound interest calculator
Compound interest and investment growth calculator
The calculator shows how regular contributions and reinvested returns change the final balance over time.
Results are estimates and do not include taxes, fees, inflation or market volatility.
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Use the calculator to turn input values into a clear, repeatable result.
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Keep units and assumptions visible so the calculation can be checked later.
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Copy the result or key numbers for reports, messages or spreadsheets.
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Reset to defaults when you want to compare another scenario from a clean state.
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Calculators run in the browser and are useful for quick estimates before formal checks.
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For finance, health, engineering or legal decisions, verify important results with a specialist or official source.
