Age Calculator
Instantly calculate your exact age in years, months, days, hours, and minutes. Our tool also shows your next birthday, days remaining, weekday of birth, and lifetime totals.
Get your age in years, months, days, and even seconds with precision.
See the exact date, weekday, and countdown until your next birthday.
View lifetime totals in weeks, months, hours, minutes, and days lived.
Runs fully in your browser with no data upload. 100% client-side.
Supports Feb 29 birthdays, adjusting correctly in non-leap years.
Optimized for phones, tablets, and desktops with responsive design.
Why Use an Age Calculator?
Age is more than just a number of years. Leap years, month lengths, and time zones make manual calculations difficult. Our Age Calculator solves this instantly, delivering an accurate and detailed breakdown of your age from the exact date of birth.
How to Use the Age Calculator
- 1
Enter your date of birth (and time, if known).
- 2
Select “As of” date — leave on today or pick a past/future date.
- 3
View instant results with totals and next birthday countdown.
- 4
Copy or reset results with one click.
Who Benefits from an Age Calculator?
- ✔Parents tracking baby milestones in weeks or months.
- ✔Students completing forms requiring exact age.
- ✔Fitness enthusiasts tracking age-based goals.
- ✔General curiosity — anyone who wants detailed age stats!