Average Return Calculator
This free XIRR calculator computes annualized return for investments with irregular cash flows and dates. You can mod...

What Average Return Calculator does
The XIRR Calculator on GIGAcalculator computes the annualized Extended Internal Rate of Return for investments with irregular cash flows and exact dates. It accepts an initial investment amount, a series of cash inflows or outflows, and their corresponding dates, then outputs the extended IRR and net cash flow totals. This allows users to model portfolio performance where holding periods and cash‑flow timing differ. The tool is browser‑based and requires no installation, making it immediately accessible for anyone evaluating investment scenarios with non‑periodic contributions or withdrawals.
How to use the GIGAcalculator Average Return Calculator
- 1
Enter the initial investment amount and the date it was made
- 2
Specify the number of cash flow events to analyze (up to 25)
- 3
Input each cash flow value and its corresponding date, using negative numbers for outflows
- 4
Click "Calculate" to view the annualized XIRR and net cash flow results
Best for
Investors and analysts who need to calculate annualized returns on portfolios with irregular deposit and withdrawal schedules across varying time periods.
Limitations
- Results depend on accurate date entry for each cash flow event
- Maximum of 25 cash flow events supported
- No currency conversion or unit switching within the calculator
Average Return Calculator FAQ
- Can I use this calculator if my cash flows are monthly or quarterly?
- Yes, the tool accepts any dates you enter, whether cash flows are monthly, quarterly, or irregular, as long as you provide the exact date for each event.
- What does a negative XIRR result mean?
- A negative XIRR indicates that the investment lost value over the period, meaning total withdrawals exceeded contributions plus any positive returns.
- Is there a limit to how many cash flow events I can enter?
- The calculator supports up to 25 cash flow events, including the initial investment, allowing detailed modeling of complex investment timelines.
- Do I need to enter amounts in a specific currency?
- No, you can enter amounts in any currency; the calculator treats the numbers as pure values and outputs the return rate without currency conversion.
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