Age Calculator
Age Calculator
The age calculator computes your exact age from your date of birth, showing the result in years, months, days, and other units.
Conversion Formula
Years, months, and days are computed using calendar subtraction, properly handling month-length variations.
Step-by-Step Examples
Born January 15, 1990 = 34 years, 2 months, 8 days (as of Mar 23, 2024)
Exact calendar-aware computation
History
Age calculation has been important throughout history for legal purposes, voting rights, retirement, and insurance.
Common Use Cases
- Legal age verification
- Insurance calculations
- Retirement planning
- Birthday countdowns
Frequently Asked Questions
How is exact age calculated?
The calculator subtracts your birth date from today, accounting for varying month lengths and leap years.
How many days old am I?
Enter your birth date and check the "Total Days Lived" result to see your age in days.
When is my next birthday?
The calculator shows the number of days until your next birthday.
Does this account for leap years?
Yes, all calculations use actual calendar dates including February 29 in leap years.
How many weeks are in a lifetime?
The average lifespan of ~78 years is roughly 4,056 weeks. A 30-year-old has lived about 1,565 weeks.