Age Calculator
Calculate your exact age in years, months, days, and more
This calculator determines your age based on your birth date and the current date, providing results in various time units.
About this Tool
The age calculator is a precise tool that determines your exact age in multiple time units. Whether you need your age in years, months, days, or even total hours lived, this calculator provides accurate results instantly. Age calculation is more complex than simple subtraction because it must account for varying month lengths, leap years, and calendar nuances. This tool is essential for legal documents, health assessments, milestone celebrations, and countless other applications where precise age matters.
Common Use Cases
Legal & Official Documents
Verify age requirements for voting, driving licenses, employment, retirement benefits, or any age-restricted activities and services.
Health & Medical
Calculate age for medical records, pediatric growth charts, vaccination schedules, or age-appropriate health screenings and assessments.
Celebrations & Milestones
Plan birthday celebrations, count down to milestone birthdays, or calculate exactly how many days until a special age or anniversary.
School & Education
Determine grade placement eligibility, calculate age for school enrollment cutoffs, or verify age requirements for educational programs.
Pro Tips
- !
Leap Year Accuracy
This calculator accounts for leap years automatically, ensuring your age is calculated precisely even across February 29th dates.
- !
Multiple Time Units
View your age in different units (years, months, days, weeks) to gain different perspectives on your lifespan and milestones.
- !
Future Date Planning
While designed for past dates, you can use date math to plan ahead for future milestones by calculating time differences.
- !
Time Zone Considerations
Age calculations are typically based on dates, not specific times. Your age changes at midnight on your birthday in your local time zone.