Internal Rate of Return Calculator

Calculate the Internal Rate of Return (IRR) for your investment projects with this free online calculator.

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About This Tool

This IRR calculator helps you determine the Internal Rate of Return for investment projects by analyzing cash flows over time. Simply enter your initial investment, periodic cash flows, and optional discount rate to calculate IRR, Net Present Value (NPV), and get a detailed breakdown of your investment's profitability. The tool provides visual charts and comprehensive analysis to support your financial decision-making.

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How to Use

Enter your initial investment amount (negative value for outflow)
Add periodic cash flows (positive for inflows, negative for outflows)
Optionally specify a discount rate for NPV calculation
Click 'Calculate IRR' to compute the Internal Rate of Return
View detailed results including IRR percentage, NPV, and cash flow analysis

Frequently Asked Questions

Find Quick Answers

What is IRR?

IRR (Internal Rate of Return) is the discount rate that makes the Net Present Value (NPV) of all cash flows from a project equal to zero. It's used to evaluate the profitability of potential investments.

How accurate is this IRR calculator?

The calculator uses the Newton-Raphson numerical method to compute IRR with high precision (up to 10 decimal places). It handles complex cash flow patterns including multiple sign changes.

Can I calculate IRR for irregular cash flows?

Yes, you can add as many cash flow periods as needed, each with different amounts. The calculator supports both regular and irregular cash flow patterns.

Need to run multiple calculations?

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