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How to get date of birth from ID number in Excel?

Author Sun Last modified

If you have a list of ID numbers which include the date of birth in each ID, how can you get the birthday from these ID numbers as below screenshot shown in Excel? Actually, you can use a formula to quickly extract the date of birth.

Get birthday from ID number with formulas

Get age based on birthday with Kutools for Excelgood idea3

Get birthday from ID number with formulas

Supposing the ID number is shown as 7908050074059, and the first two numbers indicate birth year, the third and fourth numbers are the birth day, and then the following two numbers are the birth month, you can use this formula: =MID(A2,5,2)&"/"&MID(A2,3,2)&"/"&MID(A2,1,2), press Enter key, and drag fill handle down to fill cells with formula.
apply a formula to get birthday from ID number

Tip:

In the formula, you can change the reference to your need. For example, if the ID number shown as 797198909230072, the birthday is 19890923, you can change the formula to =MID(A7,8,2)&"/"&MID(A7,10,2)&"/"&MID(A7,4,4) to get the correct result.
another formula to get birthday from ID number

Get age based on birthday with Kutools for Excel

If there is a list of birthdays, how can you get the ages from the birth dates? With Kutools for Excel, there is a utility can quickly calculate the ages based on dates.

Kutools for Excel offers over 300 advanced features to streamline complex tasks, boosting creativity and efficiency. Itegarate with AI capabilities, Kutools automates tasks with precision, making data management effortless. Detailed information of Kutools for Excel...         Free trial...

After free installing Kutools for Excel, please do as below:

1. Select a cell that you will place the age at, and click Kutools > Formula Helper > Date & Time helper.
click Kutools > Formula Helper > Date & Time helper

2. In the Date & Time Helper dialog, check Age option in Type section, then click to select the date you want to calculate age based on, and check Today option or Specified date option as you need, in the Output result type drop-down list, choose one age type you want to display.
specify the options in the dialog box

3.Click Ok, and then the age has been displayed, drag fill handle down to fill cells with the formula.
the age is displayed
drag fill handle down to fill cells with the formula

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