Utilities
Age
Calculator
Enter your date of birth and get your exact age — years, months, and days — plus your next birthday countdown.
Date of Birth
Your Age
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Enter your date of birth
Years
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Months
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Days
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Next Birthday
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Born on a
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Total Days Alive
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Total Months
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Total Weeks
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Total Hours
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About this calculator
Precise age in years, months, and days accounts for the varying lengths of calendar months and the occurrence of leap years. The calculator determines age by finding the difference between today's date and your birthdate, then applying standard calendar rules to break that difference into complete years, remaining months, and remaining days.
Beyond the year count, knowing your exact age in days or weeks can be useful for health tracking milestones, legal age verification at a specific date, medical contexts where precise age matters, or simply for perspective on how much time has passed.