Google Sheets YEARFRAC Function

This post will guide you how to use Google Sheets YEARFRAC function with syntax and examples.

Description


The Google Sheets YEARFRAC function returns the number of years between two dates including fractional years. And you can use this function to calculate age with a birthdate.

The YEARFRAC function can be used to get a decimal value that represents fractional years between two given dates in google sheets. The purpose of this function is to get the fraction of a year between two dates and its returned value is a decimal number.

The YEARFRAC function is a build-in function in Google Sheets and it is categorized as a Date function.

Syntax


The syntax of the YEARFRAC function is as below:

=YEARFRAC(start_date, end_date, [day_count_convention])

Where the YEARFRAC function arguments are:

  • Start_dateThis is a required argument. The starting date from which you want to count the number of years. It must be a cell reference that containing a date, or a function that returning a date type or a number.
  • End_date – This is a required argument. The end date that is considering in the calculation. It must be a cell reference that containing a date, or a function that returning a date type or a number.
  • day_count_convention This is an optional argument.an type of what day count method to use.
type calculation
0(default) 30/360
1 Actual/actual
2 Actual/360
3 Actual/365
4 30/360

Note:

  • this function is mostly used in a financial setting.
  • You need to make sure that the inputs to the function are either cell reference that containing valid dates.

Google Sheets YEARFRAC Function Examples


The below examples will show you how to use google sheets YEARFRAC Function to return the number of years between two dates.

1# a start date is in Cell A1, and an end date is in Cell B1, and using the YEARFRAC function to count the years between two dates:

=YEARFRAC(A1,B1)

google sheets yearfrac function1

2# if you want to gt a whole number , and you can use the INT function in combination with the YEARFRAC function, type:

=INT(YEARFRAC(A1,B1)

google sheets yearfrac function1

3# if you want to get the current age based on a birthdate in Cell A2, and you can use the following formula based on the INT function, the TODAY function and the YEARFRAC function, type:

=INT(YEARFRAC(A2,TODAY()))

google sheets yearfrac function1

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