📊IRR Calculator
Find the annualized return of an investment over time.
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About this calculator
Free IRR Calculator — find the annualized internal rate of return between an initial investment and its final value.
How to use
Enter your Initial Investment, Final Value, Time Period above — the result updates instantly as you type or drag the sliders. It's free and needs no sign-up.
Frequently Asked Questions
What does the IRR Calculator do? ▼
Find the annualized return of an investment over time.
How do I use the IRR Calculator? ▼
Enter your values using the input fields or sliders. The result updates instantly — no submit button needed. All calculations run in your browser.
How accurate is the IRR Calculator? ▼
The IRR Calculator uses standard mathematical formulas and the inputs you provide. Results are estimates meant to guide decisions — consult a qualified professional for advice specific to your situation.
Can I use the IRR Calculator with any currency? ▼
Yes. The IRR Calculator is currency-neutral — it works with plain numbers, so you can treat the amounts as dollars, euros, rupees, or any currency you like.
Is my data saved when I use the IRR Calculator? ▼
No. The IRR Calculator runs entirely in your browser. The numbers you enter are never uploaded, stored, or shared — they disappear when you close the page.
Is the IRR Calculator free? ▼
Yes — completely free. No sign-up, no download, and no account required. Works in any browser.