IRR and NPV made Easy; From Beginner to Pro-level


If you’re in business, you’ve probably heard the term IRR and NPV. But do you really understand what they mean? As a small business owner, it’s important to understand how to calculate IRR and NPV for your company. And luckily, with some simple formulas and a bit of math, it’s possible! In this article we’ll go over the basics of IRR (Internal Rate of Return) and NPV (Net Present Value), plus show you how they can help improve your decision making when it comes time to invest money into your business.

Free online IRR calculator

  • Use the online IRR calculator to calculate your IRR, NPV and more.
  • Enter your data and see the results instantly!
  • The online IRR calculator is easy to use, so you won’t have any problems calculating IRRs or NPSVs for your company.

Free online NPV calculator

In this example, you will calculate the NPV for a company in any industry. You can do this by using an online calculator that is available on the internet.

The purpose of this calculator is to help you calculate the net present value (NPV) of all future cash flows over time. The formula used here is:

NPV = F – C where: F – Future Cash Flow C/P – Present Cash Flow P/N – Number of Periods N(1)/T-1=A+B-C

Using the right formulas, you can calculate IRR and NPV for your business.

IRR and NPVYou can use the following formulas to calculate IRR and NPV for your business:

IRR = [Net Revenue / Investment Amount] * (1 + Discount Rate)

NPV = Net Revenue – Cash Flow Funds Obtained from Tax Payments


The IRR and NPV formulas are very useful tools for calculating the profitability of a business, even if you’re not an investor. They can help you determine whether your investment will pay off and make sure that you’re making the right decisions about where to invest your money. If you want to learn more about IRR and NPV, check out our other articles on this topic!



Dobrowolski, Zbysław, and Grzegorz Drozdowski. 2022. “Does the Net Present Value as a Financial Metric Fit Investment in Green Energy Security?” Energies 15, no. 1: 353.


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