Age Calculator
Calculate your age in years, months, and days.
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Your Age
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More Than Just a Number
Time is the most valuable resource we have. This Age Calculator does more than just tell you how old you are—it helps you calculate precise durations for legal documents, anniversaries, or simply satisfying your curiosity.
Chronological vs. Biological Age
Your result here is your Chronological Age—the exact amount of time that has passed since your birth.
However, scientists also study Biological Age, which measures how fast your cells are aging. Factors like stress, sleep, diet, and exercise can make your "body's age" older or younger than your calendar age!
Fun Facts About Time
- Leap Years: Every 4 years, we add a day (Feb 29) to keep our calendar in sync with the Earth's orbit around the sun. Without this, our seasons would drift by about 24 days every 100 years.
- Billions of Seconds: If you are 31 years and 8 months old, you have lived approximately 1 billion seconds!