Age Calculator
Calculate your exact age instantly
See years, months, days and more
Select your date of birth to calculate your exact age
How Age is Calculated
- Age accounts for varying month lengths (28-31 days)
- Leap year birthdays (Feb 29) are handled correctly
- Total days include all days since birth
- All calculations happen locally in your browser
What is an Age Calculator?
An age calculator determines your exact age by calculating the time difference between your birthdate and today. It accounts for varying month lengths and leap years.
How to Use
1
Enter your birthdate
Select your date of birth using the date picker
2
View your exact age
See your age in years, months, and days
3
See totals
View total days, weeks, and months lived
4
Birthday countdown
Check days until your next birthday
Why Use This Calculator?
Exact calculation
Age calculation accounting for leap years
Complete stats
Shows total days, weeks, and months
Birthday countdown
Next birthday countdown
Private
Free and private - all calculations are local
Frequently Asked Questions
Age is calculated by finding the difference between today's date and your birthdate, accounting for varying month lengths.
Yes, the calculator accounts for leap years and varying month lengths for precise age calculation.
You can calculate age from any past date to today. Future dates will not show results.
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