Age Calculator

Find your exact age in years, months, and days. Days to next birthday. Lived time stats.

🔒 100% client-side

Date of Birth

Age at date (optional)

Leave blank to calculate age as of today.

About Age Calculator

Age Calculator lets you find your exact age in years, months, and days — plus how many days until your next birthday, and your total lived time expressed in days, hours, minutes, and seconds. Everything runs entirely in your browser: no data is sent anywhere, no sign-up needed. You can also calculate the age between any two historical dates.