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We can use the **DATEDIF()** function to calculate the difference between two dates in Excel.

This function uses the following syntax:

**=DATEDIF(Start_Date, End_Date, Metric)**

where:

**Start_Date:**The start date**End_Date:**The end date**Metric:**The metric to calculate. Options include:- “d”: Days
- “m”: Months
- “y”: Years

It’s important to note that this function won’t automatically appear in Excel until you completely type **=DATEDIF(** into one of the cells.

The following examples show how to use this function to calculate the difference between two dates in Excel.

**Example 1: Difference in Days**

The following image shows how to calculate the difference (in days) between two dates:

This tells us that there are **1,127** full days between 1/1/2018 and 2/1/2021.

**Example 2: Difference in Months**

The following image shows how to calculate the difference (in months) between two dates:

**Example 3: Difference in Years**

The following image shows how to calculate the difference (in years) between two dates:

**Example 4: Difference in Years & Months**

The following image shows how to calculate the difference (in years and months) between two dates:

You can find more Excel tutorials on this page.