IRR Calculator
Internal Rate of Return — the discount rate that makes NPV = 0.
See how it works
Watch a quick simulation of this tool in action — no file needed.
How to use IRR Calculator
Follow these steps — everything happens instantly in your browser.
- 1
Step 1. Enter the initial investment.
- 2
Step 2. Enter cash flows per year, comma-separated.
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Step 3. See the IRR — the rate that makes NPV = 0.
- 4
Step 4. Compare to your required return: higher IRR = better.
Why use this tool
Private by design
All processing happens locally in your browser. Open DevTools → Network and you'll see zero file uploads. Ever.
Instant
No upload wait, no queue, no server round-trip. Results appear the moment you drop a file.
Free & unlimited
No accounts, no watermarks, no daily caps. Use it as many times as you like, forever.
Works everywhere
Desktop, tablet or phone — every tool is responsive and installable as a PWA for offline use.
Frequently asked questions
Everything you might want to know about irr calculator.
NPV Calculator
Net Present Value of an investment with cash flows and discount rate.
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Compound Interest Calculator
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