Calculate compound interest
Calculate compound growth at a chosen compounding frequency.
Input & settings
How to use this tool
Uses principal × (1 + annual rate / frequency) raised to frequency × years.
Limits and behavior
Amounts use the same currency unit and are rounded to two decimals. This is an arithmetic estimate, excluding fees and other charges. Assumes a constant nominal rate, no contributions, and no tax. Fractional years use the same mathematical exponent. Actual investment returns vary. Input is limited to 1 MB and output to 3 MB. No input content is saved by CraftAI.
Estimate growth with compounding
Enter a principal, rate, duration and compounding frequency to calculate how an amount changes when interest accrues on previous interest.
Does compound interest guarantee investment returns?
No. This is a mathematical estimate based on the values entered; real investments may fluctuate and involve taxes and fees.
Related tools: Simple interest · CAGR calculator