---
title: "IRR Calculator: Internal Rate of Return | MCC Solutions"
description: "Enter an initial investment and cash flows to find the internal rate of return. Free and private."
url: "https://mcc-solutionsnj.com/bookkeeping/irr-calculator"
---

Free tool

# IRR calculator

Find the rate of return that makes an investment's cash flows equal to its cost.

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Initial investment ($)

Cash flows for periods 1, 2, 3... (separate with commas)

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How it works

## How it works

**IRR is the discount rate at which NPV equals zero.** The calculator searches for it between -99% and 1,000% per period. Enter one cash flow per period.

FAQ

## About this calculator

**What is IRR?**

The yearly (or per-period) return that an investment's cash flows imply, treating them as if reinvested at the same rate.

**Why does it say to check the cash flows?**

If the cash flows never add up to more than the investment, or have no sign change, there may be no sensible IRR.

**Is IRR the same as ROI?**

No. ROI is total profit over cost. IRR also accounts for when each cash flow arrives.

**Is anything saved?**

No. The math runs in your browser and nothing you enter is sent to us.

**Is this tax or financial advice?**

No. It is a calculator for general information. Check the numbers against your own records, and ask an accountant before you act on them.

Related: [npv calculator](/bookkeeping/npv-calculator), [roi and payback calculator](/bookkeeping/roi-and-payback-calculator). See [all free tools](/free-tools). More free tools: [Freelance hourly rate calculator](/bookkeeping/freelance-hourly-rate-calculator), [Days sales outstanding calculator](/bookkeeping/days-sales-outstanding-calculator), [Sales tax calculator](/bookkeeping/sales-tax-calculator), or [see all free tools](/free-tools).

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