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Date & Time
Calculate My Age
Age in years and months is not the same as a simple division of days, because months vary in length and birthdays do not fall on the same day count each year. Counting calendar months and days matches how age is recorded officially.
How it works
Date of birth
Age on this date
Include time alive
Age in years
Additional months
Additional days
Total days lived
Total weeks
Total hours
Next birthday
Days until the next birthday
Born on a
Frequently asked questions
How do I use the Calculate My Age?
Fill in the fields above โ the result recalculates instantly as you type. Everything runs in your browser, so the values you enter are never collected or stored.
Is this calculator free?
Yes. It is completely free, requires no account, and works on phones, tablets and desktops.