Birthday Calculator

Birthday tool

Enter a date of birth to calculate exact age, upcoming birthday countdown, weekday, zodiac sign, birthstone and a ready-to-use birthday message.

Date of birth

Name (optional)

—Years

—Months

—Days

Your birthday result will appear here

Choose a birth date and press calculate to see the full birthday breakdown.

Birthday wishes become easier when you know the exact milestone.

See age in years, months and days, plus the total number of days lived.

Find how many days are left until the next birthday and what weekday it falls on.

Get zodiac sign, birthstone and a simple birthday message to share.