Precise to the day. Calculate years, months, days, weeks, hours — and countdown to your next birthday.
Your exact birth date — day, month, and year.
Defaults to today. Change for a past or future date.
Leap-year aware: Our algorithm accounts for every leap day since your birth for 100% chronological precision.
Select your birth date and hit calculate to reveal your exact age and life insights.
More than a simple year counter — a full chronological life snapshot.
Your birth date never leaves your device. All calculations happen entirely in your browser's JavaScript engine — zero server contact.
Our algorithm accounts for every February 29 since the day you were born, delivering chronologically accurate results down to the day.
See your life measured in weeks, hours, and minutes. Discover which day of the week you were born, and exactly how long until your next birthday.