Age Calculator
Find your exact age in years, months, weeks, days, and hours. See your next birthday countdown and birth details.
Your Age
31
31 years, 0 months, 2 days
372
Months
1,617
Weeks
11,325
Days
271,800
Hours
Next Birthday
363 days
Tuesday, June 14, 2027
You'll turn 32
Birth Details
How Age is Calculated
Your age is determined by counting the number of completed years, months, and days since your birth date. This follows the same method used legally and medically worldwide.
Calculation Method
Years: Full calendar years since birth
Months: Remaining full months after years
Days: Remaining days after months
Total Days: Exact calendar days (birth to today)
Next Birthday: Days until your birthday in the current/next year
Example
Born June 15, 1995. Today is June 16, 2025:
- • Age: 30 years, 0 months, 1 day
- • Total months: 360 · Total weeks: 1,566 · Total days: 10,958
- • Next birthday: June 15, 2026 — 364 days away
Common Uses
- Verify age for legal documents (passport, license)
- Calculate retirement age eligibility
- Determine school enrollment eligibility by cutoff dates
- Track milestones (1000th day alive, half-birthday, etc.)
- Find exact age difference between two people
Frequently Asked Questions
How is age calculated exactly?
Age is calculated by finding the difference between your birth date and today in years, months, and days. It accounts for varying month lengths and leap years. The "years" value represents completed full years since birth — the same way age is counted legally and culturally.
Does it account for leap years?
Yes. The calculator correctly handles leap years. If you were born on February 29, your birthday is counted as March 1 in non-leap years for the "next birthday" calculation, while the age computation remains accurate.
What timezone does it use?
The calculator uses your browser's local timezone. The reference date is "today" in your current timezone. For exact age down to hours/minutes, the calculation assumes midnight of each date.
Can I calculate age at a specific date?
Currently this calculator shows your age as of today. For age at a specific past or future date, use the Date Calculator to find the difference between your birth date and the target date.
How accurate is the "days lived" count?
The total days count is mathematically exact — it correctly accounts for every leap year between your birth and today. The hours count assumes 24 hours per day (does not account for daylight saving transitions).
What is the zodiac sign based on?
The zodiac sign is determined by Western astrology date ranges (tropical zodiac). It is based on your birth month and day, not the astronomical position of constellations.