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Free tool · Calculators
Age Calculator
Enter a date of birth to see your exact age and your next birthday countdown.
About this tool.
Knowing your age in years is easy, but forms, visa applications and school admissions often ask for the exact age on a particular date. This calculator gives the years, months and days between a date of birth and any date you choose, and defaults to today.
It handles month lengths and leap years by borrowing days from the previous month when the day of the month has not yet been reached. The extra figures, total days, total weeks and days until the next birthday, are handy for milestones and countdowns.
Three steps, then you are done.
Enter your date of birth
Pick it from the calendar.
Optionally change the end date
Leave it as today, or choose another date.
Click Calculate
See exact age and the birthday countdown.
Questions about this tool.
Does it handle leap years?
Yes. Total days are calculated from the actual calendar dates.
Is my birth date stored?
No. Calculation happens in your browser only.
Can I find age on a past date?
Yes, set the 'Age on date' field.
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