About IRR Calculator

Calculating IRR (internal rate of return) can sometimes become too complex. You can use special financial calculators (like,Ti-83,Ti-84 and HP 12c calculator) or programs like Excel. IRR Calculator is one such free online tool to calculate the internal rate of return of an investment. To calculate IRR just fill in the initial investment amount followed by the net cash flow (negative or positive) in each period and then click on calculate button to get the IRR result .

Our goal is to make important financial calculations simple, fast and accessible to everyone — for free, on any device. Alongside this IRR Calculator, we also built a dedicated XIRR Calculator for real-world investing, and we maintain a small network of finance tools including an NPV Calculator and a CAGR Calculator.

Our Calculators

We currently offer two free, privacy-friendly return calculators — pick the one that matches how your cash flows occur:

• IRR Calculator — find the internal rate of return when your cash flows fall in regular, equally-spaced periods, such as a yearly project.
• XIRR Calculator — find the true annualised return when money goes in or out on irregular dates. It has a SIP / Regular mode for mutual fund SIPs and a Custom / Irregular mode for uneven cash flows, and shows your invested amount, returns, net gain, a growth chart and a benchmark verdict.

Why Use Our Calculators?

IRR and XIRR are among the most widely used metrics in capital budgeting and investment analysis, yet solving for them by hand means repeated trial and error. Our calculators do the heavy lifting instantly, so you can focus on the decision rather than the math. They are designed to be:

• 100% free — no sign-up, no login and no hidden charges, ever.
• Fast & accurate — get your rate of return for any number of cash flows in a single click, using the same trusted method as Excel.
• Flexible — add or remove rows and enter both investments and returns to match your real project, SIP or portfolio.
• Mobile friendly — works smoothly on desktop, tablet and phone.
• Private — all calculations happen for you on the fly and your figures are never stored.

Our Mission

We believe that sound financial decisions should not require expensive software or a finance degree. Whether you are a student learning capital budgeting, a small-business owner weighing a new project, or an investor comparing opportunities, our mission is to give you clear, reliable and easy-to-use tools that help you make smarter, more informed decisions with confidence.

About the Creator

This calculator is built and maintained by Ambuj, a personal finance and value investing enthusiast with over 15 years of experience. He has developed several financial tools that have helped thousands of users worldwide make smarter, more informed financial decisions.