Calculator Guide
Free online XIRR calculator. Calculate Extended Internal Rate of Return (XIRR) for investments with irregular cash flows and dates. Free online XIRR calculator with step-by-step results. Learn how to interpret results and see step-by-step examples before using the interactive tool.
Calculate Extended Internal Rate of Return (XIRR) for investments with irregular cash flows and dates. Free online XIRR calculator with step-by-step results. This page explains the main inputs and output interpretation before you switch into the full calculator.
Use the interactive tool when you already know your assumptions and want detailed tables, charts, or CSV export.
The formula uses the following inputs: Cashflows (comma separated), Dates (YYYY-MM-DD, comma separated). Enter them in the calculator above to get precise results.
Yes, The Capital Deck's XIRR is completely free with no sign-up required.
Yes, the calculator works on all modern browsers on desktop and mobile devices.
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