🎂 Age Calculator
Calculate your exact age in years, months, and days. Find the age difference between two dates, see your next birthday countdown, and more. Handles leap years automatically.
How Age is Calculated
Age calculation involves finding the difference between two dates while properly accounting for varying month lengths (28, 29, 30, or 31 days) and leap years.
Leap Year Rules
- A year divisible by 4 is a leap year
- Except if it's divisible by 100
- Unless it's also divisible by 400
Age by Culture
| System | Description | Example |
|---|---|---|
| Western (Standard) | Age increases on birthday | Born 2000 → 25 in 2025 |
| East Asian (Korean) | 1 at birth, +1 on New Year | Born 2000 → 26 in 2025 |
Frequently Asked Questions
Enter your birth date into the age calculator. It will compute your exact age in years, months, and days, accounting for leap years and varying month lengths.
Yes! The calculator properly handles leap years (years divisible by 4, except centuries not divisible by 400) when computing your exact age.
Yes, you can enter any two dates to find the difference between them in years, months, days, weeks, hours, and total days.
Legal age is typically calculated based on your birth date. In most countries, you turn a year older on your birthday each year.