Age Calculator
Enter your date of birth to calculate your exact age in years, months, and days.
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Select your date of birth from the calendar to see your age.
What is an Age Calculator?
An age calculator determines your exact age based on your date of birth and the current date. It breaks down your age into years, months, and days for a precise result. This is useful for filling out forms, planning milestones, or simply satisfying your curiosity about how many days you have been alive.
How Does It Work?
The calculator uses the difference between your date of birth and today's date. It accounts for varying month lengths and leap years to produce an accurate result. The total months and total days are also computed so you can see your age expressed in different units.
- Select your date of birth using the date picker.
- Your age is calculated instantly in real time.
- View your age in years, months, and days, plus total months and total days.
- See how many days remain until your next birthday.
Why Use This Tool?
- Quickly determine your exact age for official documents
- Find out how many days old you are
- Count down to your next birthday
- No sign-up required — works instantly in your browser
- Accurate calculation including leap year handling
Features
- Exact age in years, months, and days
- Total months and total days alive
- Next birthday countdown
- Handles leap years and varying month lengths
- Prevents future dates from being selected
- Works entirely in your browser — no data is sent to any server