IRR vs ROI: Difference and Comparison

The investments are made by all of us across the world. They have become a kind of savings. Today, even a middle-class person invests his money in shares to get back a high return.

Thus, investments need to be calculated, and after using, that money, the profit or the loss are calculated. The IRR and ROI are the two methods using which we calculate the returns of an investment.

Key Takeaways

  1. IRR calculates the rate at which an investment’s net present value equals zero, whereas ROI measures the percentage return on investment.
  2. IRR considers the time value of money, providing a more comprehensive evaluation of an investment, while ROI offers a simpler performance metric.
  3. IRR helps determine an investment’s desirability by comparing it to a required rate of return, while ROI compares the investment’s gains to its cost.


The IRR is a measure of an investment’s profitability that is computed as the rate at which the net present value of the investment equals zero. The ROI is a measure of an investment’s efficiency determined as the ratio of the return to the investment’s cost.


The IRR stands for the Internal Rate of Return. It is a formula that is used to calculate the returns on investments.

It is the discount rate the reason for this is that the current investments are considered as zero, and the discounted money is analyzed.

The IRR formula is the same as the Net Present Value (NPV). It is not for the actual value of the investment but is used for calculating annual profit or loss.

The ROI stands for the Return on Investment. The ROI is equal to the ratio of the net income to investors. The period can vary according to the investment return we are calculating.

A high ROI means a profitable investment. The ROI is also used to compare different investments and calculate the profit gained from the different investments.

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Comparison Table

Parameters of ComparisonIRRROI
Full formThe full form of IRR is the Internal Rate of Return.The full form of ROI is Return of Investment.
Another nameThe IRR is also called the Discounted cash rate flow of return.The ROI is also known as the Return on costs.
DefinitionThe IRR is the method that is used to calculate the return of an investment. But the IRR excludes the other factors which may lead to the loss.The ROI is the method to calculate the return of the investment by calculating the ratio of the Net income to the net investment.
FormulaThere is no particular formula for the IRR. but the Net Present Value (NPV) formula is used to calculate the IRR too.The formula of the ROI is the ratio of the net income to the net investment for the period the investment has been done which can vary.
AdvantageThe IRR can be used to calculate long-term investments like savings.The ROI is easy to calculate. This method of calculation is also preferable for the shorter term.
DisadvantageThe IRR is a method that is very time-consuming and difficult to calculate.The ROI is the used shorter-term investment because in longer-term the ROI is not able to calculate the return and estimate the investment idea is a success or not.
ExampleLet us say, you are investing Rs.1500 in a project and getting Rs.20,000 in return for the project. Therefore, the discount would be 14% on the project.Suppose the money invested by a person is Rs.1200 and the return after years is Rs.1234 then there is the ROI of 16.4% per month.

What is IRR?

The IRR stands for the Internal Rate of Return. This method is also known as the Discounted cash rate flow of return. The reason behind this other name is that this method is used to calculate the return based on the discounted amount.

The Net Price Value is considered as zero. The formula of the IRR is also the same as we use to calculate the NPV.

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The IRR is the method that is used for long-term investment. The reason is that the IRR can estimate the benefits of the investment which is being made. The returns can be calculated before the investment.

The period of investment can vary, yet the profit can b calculated for the time being. Long-term investments like loans and savings can easily be calculated by this method.

The use of the IRR is to calculate the profit of the investment. For example, if we are making an investment in a fixed deposit in a bank, then we can calculate the interest on the amount before we invest the money and know its benefits.

The other use of the IRR is to increase the net present value. Like, we had a Fixed deposit, and it completes the present value is again fixed, then the money will increase of the investments and hence the return.


What is ROI?

The ROI stands for the Return on investment. The other name of the ROI is the Return of the cost. The ROI is used to calculate the return on investment over a period.

The ROI is used to calculate the return for a short-term period and is not beneficial for longer-term investments.

The ROI is used for the business models. The company invests in different business and calculate the return on the investment for some time.

This helps to determine the beneficial model for the investment, and it also helps to compare between the investment and know the profitable one and invest more in that particular business model.

The ROI is calculated using the ratio of the net value returned to the net value invested. The higher the ROI, the higher is the profit.

The ratios are compared to know the profitable business model. The ROI is easy to calculate and is quite beneficial when the investment returns are made for the shorter term.

return on investment 3

Main Differences Between IRR and ROI

  1. The ROI stands for the Return of investment, and IRR is the Internal Rate of return.
  2. The IRR is beneficial for the longer-term investment, whereas the ROI is beneficial for the shorter-term investment.
  3. The IRR is difficult to calculate, whereas the ROI is easy.
  4. The IRR is mainly used in savings and loans, whereas the ROI is used in the business model.
  5. The ROI is preferred more over the IRR.
  6. The IRR has the same formula as the Net present value, but the ROI is equal to the ratio of the net return to the net investment.
Difference Between IRR and ROI

Last Updated : 13 July, 2023

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6 thoughts on “IRR vs ROI: Difference and Comparison”

  1. The method you use to calculate your investment returns is crucial to estimate its desirability. These two methods, IRR and ROI, offer a comprehensive evaluation of the investments.

  2. The IRR and ROI formulas are both very important in the investment sector. It’s fascinating to see how the IRR method is used for long-term investments, providing value to net returns over a period.

  3. I find it quite interesting how both IRR and ROI reflect different aspects of return on investment. I really like how IRR considers the time value of money which is essential in investment evaluation.

  4. According to the comparison table, IRR is useful for long-term investments, but it is time-consuming. Meanwhile, ROI is less complex and is beneficial for shorter-term investments.

  5. The main differences outlined between IRR and ROI provide a clear understanding. Both have their own advantages and uses, and it’s important to differentiate the contexts in which they are effectively applicable.

  6. While I agree with the definition of both IRR and ROI, I think that IRR is not as difficult to calculate as some may believe.


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