Age Calculator
Calculate your exact age in years, months, and days from your date of birth. Also shows total days, weeks, and months lived, plus days until your next birthday. Free online tool.
Enter your date of birth to calculate your age.
How to Use
Enter your date of birth
Click the Date of Birth field and select or type your birthday.
Check or change the reference date
The "As of Date" defaults to today. You can change it to calculate your age at any past or future date. Click Today to reset it.
Read your results
Your exact age in years, months, and days appears immediately, along with the total number of days, weeks, and months you have lived.
See your next birthday countdown
The panel at the bottom shows how many months and days remain until your next birthday.