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Age Calculator
Enter your date of birth and get your precise age in years, months, and days. Also shows a countdown to your next birthday and the total number of days you've been alive.
Frequently Asked Questions
How is exact age calculated?+
Exact age is calculated by finding the difference between today's date and your date of birth in years, months, and remaining days — accounting for leap years and varying month lengths.
Why does my age in days seem so large?+
The number of days you have been alive is your age in years × ~365.25. For example, a 30-year-old has lived approximately 10,957 days. It sounds large but is correct.
What is the difference between chronological age and biological age?+
Chronological age is simply the time elapsed since your birth. Biological age refers to how old your body functions — influenced by genetics, lifestyle, and health. This calculator measures chronological age only.