Calculate Your Exact Age

Chronological age is the number of years, months, and days that have elapsed since the date of birth. It is the most common definition of age, calculated by measuring the interval between your birth date and today's date using the Gregorian calendar.

Enter your birth month, day, and year in the calculator at the top of this page and click "Calculate My Age." The calculator will instantly show your age in years, months, and days — plus your birthstone and zodiac sign.

Your birthstone is determined by the month you were born. January is Garnet, February is Amethyst, March is Aquamarine, April is Diamond, May is Emerald, June is Pearl, July is Ruby, August is Peridot, September is Sapphire, October is Opal, November is Topaz, and December is Turquoise.

Use our Days Alive Calculator to find out exactly how many days, hours, and minutes you have lived. The average person lives about 27,375 days (75 years). Enter your birth date to see your exact count.

No. All calculations run entirely in JavaScript inside your browser. Your date of birth is never sent to any server, never stored, and never shared. Closing the browser tab clears all data immediately.