INPUT
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RATE
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TERM
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COMPOUND
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CALC
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Input Validation
Checks that all required fields contain valid positive numbers. Empty or zero fields are flagged.
Interest Rate
Annual interest rate in percent. Must be between 0 % and 50 %. A rate of 0 % is allowed (simple savings without growth).
Term Length
Duration of the annuity in years. Must be between 1 and 100 years.
Compounding Frequency
How often interest compounds per year: annually (1), semi-annually (2), quarterly (4), monthly (12), or daily (365).
Calculation
Shows whether the last calculation completed successfully or encountered an error.
Results
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Enter parameters and click Calculate