🎂 Age Calculator
Calculate your exact age in years, months, days — plus hours and total days lived.
Date of Birth
Age
0 years
Years
0
Months
0
Days
0
Total Days Lived
0
Total Hours
0
Next Birthday
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Day of Week Born
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Zodiac Sign
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About Age Calculation
Age calculation varies by culture. In most Western countries, age increases on each birthday. In some East Asian cultures, age is calculated differently (Korean age adds 1 at birth and increases on New Year's Day). This calculator uses the standard Western method.
Fun Age Facts
- In one year, your heart beats approximately 40 million times
- By age 70, you'll have taken roughly 200 million steps
- The average person sleeps about 1/3 of their life
How is age calculated for legal purposes? +
For legal purposes, age is typically calculated as the number of birthdays that have passed since birth. If you were born on February 29 in a leap year, your birthday is usually observed on February 28 or March 1 in non-leap years, depending on jurisdiction.