Age Calculator
Calculate exact age in years, months, and days from a date of birth.
Enter a date of birth to calculate your age.
Overview
Calculate exact age in years, months, and days from a date of birth — plus total days lived, the day of the week you were born on, and a countdown to your next birthday.
How to use this calculator
- Enter your date of birth.
- Optionally change the "as of" date (defaults to today) to calculate age at a specific point in time — useful for eligibility checks or legal age verification.
- See your exact age breakdown, total days lived, and days remaining until your next birthday.
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