Excel allows a user to get the quarterly internal rate of return of an investment using the **XIRR** function. With defined quarterly periods, we will get the exact IRR. This step by step tutorial will assist all levels of Excel users to learn how to calculate the quarterly IRR in Excel.

*Figure 1. The result of the XIRR function*

**Syntax of the XIRR Formula**

The generic formula for the XIRR function is:

**=XIRR (values, dates, [guess])**

The parameter of the XIRR function is:

**values**– a range of cells containing values, including initial investment and incomes. The investment must have a negative sign, as it is a cost**dates**– a range of dates corresponding to values. All dates must be in chronological order. In our case, we put the last day of every quarter**[guess]**– an estimated value for the expected XIRR. This parameter is non-mandatory. If it’s omitted, the function will take a default value of 0.1 (=10%).

**Setting up Our Data for the XIRR Function**

Let’s look at the structure of the data we will use. In column B (“Amount”), we have values including initial investment and periodical incomes. In column C (“Date”) we have a corresponding date for every amount. In the cell E3, we want to get the XIRR.

* Figure 2. Data that we will use in the example*

**Get the Monthly IRR Using the XIRR Function**

In our example, we want to get the XIRR of the values in the range B3:B10. The result will be in the cell E3.

Formula:

**=XIRR(B3:B10, C3:C10)**

The parameter **values **is the range B3:B10 and the parameter **dates** is C3:C10.

To apply the XIRR function, we need to follow these steps:

- Select cell E3 and click on it
- Insert the formula:
`=XIRR(B3:B10, C3:C10)`

- Press enter.

*Figure 3. Using the XIRR function to get the quarterly internal rate of the investment*

Finally, the result in the cell E3 is 6%, which is the quarterly internal rate of the investment.

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