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                          Select a cell and enter =DATEDIF(A1,B1,"y") where A1 is the birthdate and B1 is the current date. The last parameter is "d", "m", or "y" to specify a return value in days, months, or years. 
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                          Press Enter. 
For more info, see Calculate the difference between two dates.
Tip: Use TODAY() to calculate someone's age today. Example =DATEDIF(A1,TODAY(),"Y").
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                      Select a cell and enter =DATEDIF(A1,B1,"y") where A1 is the birthdate and B1 is the current date. The last parameter is "d", "m", or "y" to specify a return value in days, months, or years. 
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                      Press Enter. 
For more info, see Calculate the difference between two dates.
Tip: Use TODAY() to calculate someone's age today. Example =DATEDIF(A1,TODAY(),"Y").
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                      Select a cell and enter =DATEDIF(A1,B1,"y") where A1 is the birthdate and B1 is the current date. The last parameter is "d", "m", or "y" to specify a return value in days, months, or years. 
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                      Press Enter. 
For more info, see Calculate the difference between two dates.
Tip: Use TODAY() to calculate someone's age today. Example =DATEDIF(A1,TODAY(),"Y").
 
                         
				 
				