Age calculator
Find exact age in years, months and days from a date of birth.
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years
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months
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days
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total days lived
Enter a date of birth to see your next birthday countdown.
How to use this age calculator
Pick a date of birth and instantly see the exact age in years, months and days, total days lived, and a countdown to the next birthday — useful for forms, certificates or just curiosity.
Online Date of Birth Age Calculator
Calculate your exact chronological age in years, months, weeks, days, and total minutes based on your date of birth. Useful for official job applications, government documentation, admission eligibility, and upcoming birthday countdowns.
How Chronological Age Calculation Works
Age Formula = Target Date (Today) - Date of Birth (DOB)
Frequently Asked Questions (FAQs)
Does leap year affect age calculation?
Yes, our algorithm automatically calculates leap years (29 days in February) to give 100% exact day counts.