Age Calculator
Calculate age in years, months, days, and total days lived
Age Calculator
Enter birth date and optional current date
Leave empty to use today's date
Age Results
Detailed age calculation
About Age Calculations
Age Calculation
- • Precise Age: Calculates exact years, months, and days
- • Total Days: Total number of days lived
- • Total Weeks: Total number of weeks lived
- • Next Birthday: Date of your next birthday
Additional Information
- • Zodiac Sign: Astrological sign based on birth date
- • Generation: Generational category based on birth year
- • Days Until Birthday: Countdown to next birthday
Use Cases
- • Calculate exact age for legal purposes
- • Plan birthday celebrations
- • Track life milestones
- • Calculate age differences
Frequently Asked Questions
How is age calculated?▾
Age is calculated as the difference between your date of birth and the current date, expressed in years, months, and days. Our calculator handles leap years automatically.
Can I calculate age between two specific dates?▾
Yes. Enter the date of birth and a target date to find the exact age on that date — useful for documents, eligibility checks, or historical calculations.
Why does the day and month matter for age?▾
Age in completed years only increases on your birthday. Someone born in December is still a year younger than someone born in January of the same year until their birthday arrives.
How many days old am I?▾
Enter your date of birth into the calculator and it will display the total number of days you have lived, along with your age in years, months, and days.