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

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.
doc get birth from id 1

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.
doc get birth from id 2


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, with more than 300 handy functions, makes your jobs more easier. 

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.
doc get birth from id 3

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.
doc kutools date time helper 2

3.Click Ok, and then the age has been displayed, drag fill handle down to fill cells with the formula.
doc kutools date time helper 3
doc kutools date time helper 4


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    Isabela · 3 months ago
    This formula =MID(A2,5,2)&"/"&MID(A2,3,2)&"/"&MID(A2,1,2) is not working.

    • To post as a guest, your comment is unpublished.
      Sunny · 2 months ago
      Hi, Isabela, the formula does not work maybe is your data is not in the right order. Could you show how you data display and how the reuslt show?
      • To post as a guest, your comment is unpublished.
        Isabela · 2 months ago
        Hi. I’ve put the formula mentioned above and it didn’t work, l had to do it manually. Thank you for your interest but l don’t longer need it Maybe some other time, if needed..