Age Calculator
Calculate exact age in years, months, and days from a date of birth, plus your next birthday countdown.
Results will appear here.
Frequently asked questions
We count full years, months, and days between the date of birth and the 'as of' date (today, by default), accounting for varying month lengths and leap years.
Yes - use the optional 'Calculate age as of' field to see how old someone was, or will be, on a specific date.
About the Age Calculator
Enter a date of birth to get an exact age breakdown in years, months, and days, along with a running total in days and weeks, and a countdown to the next birthday.
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