# XIRR Calculator > XIRR Calculator: a free XIRR (Extended Internal Rate of Return) calculator for irregular investment cash flows, run entirely in the browser, no sign-up required. Sitemap: https://xirrcalculator.xyz/sitemap.xml ## Tools - [XIRR Calculator](https://xirrcalculator.xyz/): Enter your dated cash flows, investments, top-ups and withdrawals, to get your annualised XIRR return instantly. - [XIRR vs CAGR](https://xirrcalculator.xyz/xirr-vs-cagr/): A deeper side-by-side comparison, with worked numeric examples, of when XIRR and CAGR agree and when they diverge. - [XIRR in Excel](https://xirrcalculator.xyz/how-to-calculate-xirr-in-excel/): A step-by-step walkthrough for calculating XIRR in Excel or Google Sheets, with a worked example and common #NUM! error fixes. ## About this site XIRR Calculator computes the Extended Internal Rate of Return for a series of cash flows on irregular dates: investments, SIP top-ups, partial withdrawals, and a final redemption value, the same calculation as Excel and Google Sheets' XIRR() function. Add as many dated cash flow rows as you need and get an annualised return percentage instantly. Everything runs locally in your browser, no input is sent to or stored on a server. Site: https://xirrcalculator.xyz