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Progress through current year—%
Day of Week Born
Zodiac Sign
Chinese Zodiac
🎂 Next Birthday Countdown
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🪐 Your Age on Other Planets
Each planet has a different year length. Your "age" varies depending on which planet you'd be born on.
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🏆 Age Milestones
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How Age is Calculated
Also searched as: age calculator free | how old am i today | exact age calculator | date of birth age calculator
Age calculation seems simple but has nuances. A person born on February 29 (leap day) technically only has a birthday every 4 years — most countries count their birthday as either February 28 or March 1 in non-leap years. This calculator uses the most common method: counting completed years, then completed months, then remaining days. The total seconds counter updates every second via the browser clock.
Use the Age Calculator above — enter your values and get instant results. This free online tool calculates how old am i calculator without any download or signup required. Results update in real time as you type.
Use the Age Calculator above — enter your values and get instant results. This free online tool calculates age calculator from date of birth without any download or signup required. Results update in real time as you type.
The standard method counts how many complete calendar years have elapsed since birth. A person born on March 15, 2000 turns 24 on March 15, 2024, not before. Legal age (for voting, drinking, etc.) is determined by this method. Some East Asian cultures traditionally count age differently — you are "1" at birth and gain a year at each new year.