Calculate your exact age in years, months, days, and weeks. Find out how many days until your next birthday.
Fill in the fields above and click calculate. All calculations run instantly in your browser — no data is sent anywhere.
Age is computed from your date of birth to today, accounting for different month lengths and leap years precisely.
The exact number of calendar days between your birth and today — useful for legal, scientific, or insurance contexts.
The calculator automatically finds your next birthday and shows exactly how many days away it is.