Age Calculator
Calculate your exact age and find out how many days until your next birthday.
About Age Calculator
Our Age Calculator gives you a precise breakdown of your age in years, months, and days from any date of birth. Beyond just your age, it also shows you the total number of days you have lived, total weeks, total months, and counts down to your next birthday. You can calculate age as of today or as of any custom date — perfect for planning birthday parties, calculating age for official documents, or just satisfying your curiosity about how much time has passed.
Frequently Asked Questions
The calculator is accurate to the day, accounting for leap years and varying month lengths.
Yes! The "As of Date" field defaults to today but you can change it to any date.
Age calculation depends on whether you have had your birthday this year. The tool accounts for this precisely.
It counts calendar days to your birthday, showing zero on the day itself. A February 29 birthday uses February 28 in non-leap years. Month-end age calculations use the final valid day of a shorter month.
This tool provides a general calculation. For official documents, always verify with certified records.
It uses the standard Western (tropical) zodiac date ranges based on your birth month and day — for example, anyone born December 22 through January 19 is a Capricorn.