How to use this calculator
Analyze an observed investment return using years or dates, or choose a separate forward-planning mode to solve ending balance, contributions, required return, starting investment or investment length. Planning compounding and deposit timing are explicit. Historical total income less fees is treated as ending wealth.
- Enter return analysis / investment planning, initial investment, final value and review the remaining options.
- Select Calculate or change a value to update the result. Read the result label and units before copying.
- Use Reset to restore the worked starting values.
Formula and method
Calendar periods use elapsed days divided by 365.2425 years. Annualized return is a beginning/ending wealth comparison, not an internal rate of return.
Worked example
10,000 growing to 15,000 over 5 years has about 8.45% annualized growth.
Questions about investment return calculator
Is annualized return the same as ROI?
No. Total return measures gain relative to the initial investment. Annualized return spreads the modeled growth over the holding period. Cash income is treated as ending wealth; this is not an internal-rate-of-return calculation with timed cash flows.
What assumptions should I check?
Calendar periods use elapsed days divided by 365.2425 years. Annualized return is a beginning/ending wealth comparison, not an internal rate of return.
Are my inputs saved?
Calculations run in your browser. We store only tool IDs for favorites and recent tools. Sharing inputs in links is disabled for this category.
Financial tools model the assumptions shown above and do not predict actual returns or replace lender disclosures or professional advice. Amounts are currency-neutral: use the same currency for every amount. No exchange rate is applied.