Age Calculator
Calculate age in years, months, and days based on birth date with precise calculations including leap years
How it works:The calculator uses precise calendar arithmetic to handle leap years, varying month lengths, and time zones accurately.
Results include both exact age breakdown and total time in each unit.
Enter your dates and clickCalculateto see your exact age.
Rate this Tool
How useful was this calculator for you?
How to Use This Calculator
Step-by-step guide to get accurate results
Age Calculator: What It Is and How to Use It
How to Use the Calculator
Open the Calculator
Enter Date of Birth
Select Reference Date
Click Calculate
Verify Output
Key Features
Instant Results
Accurate
Mobile-Friendly
Free & Easy to Use
Custom Date
Multiple Units
Who Can Benefit
Personal Use
Official Purposes
Event Planning
Education
Record Keeping
Example Calculations
Example 1 – Current Age
Example 2 – Future Age
Frequently Asked Questions
What is an Age Calculator?
Is this calculator free?
Do I need software or installation?
Can I use it on mobile devices?
Can I calculate age for a future or past date?
Does it account for leap years?
Can it show total days or weeks?
Is it suitable for students?
Can it be used for official documents?
How accurate is it?
Related Other Calculators
Explore these related calculation tools
How Age is Calculated
Age calculation involves precise calendar arithmetic that accounts for leap years, varying month lengths, and the Western age system where age increases only after the birthday passes.
Key Features
- Handles leap years automatically
- Accounts for months with different day counts
- Provides both exact breakdown and total units
- Uses Western age counting system
Sample Calculation
Example:
Birth Date: January 1, 2000
Target Date: August 22, 2025
Result: 25 years, 7 months, 21 days
The calculator also provides the total time in weeks, days, hours, minutes, and seconds for comprehensive age analysis.