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Age Calculator

Select a date of birth to see your age.

▸About this tool

Calculate your exact age in years, months, and days from your date of birth.

▸Privacy and details

Your files never leave your device.

Fast browser processing with no account required.

Optimized for desktop and mobile with accessible controls.

▸How to use
  1. Select your date of birth using the date picker.
  2. Your exact age in years, months, and days appears instantly.
  3. Toggle "Calculate age as of a specific date" to find your age at any past or future date.
  4. See total days lived, total weeks, and your next birthday countdown.
▸Why use this tool

Sometimes you need more than just the year: knowing your exact age in months and days can matter for medical forms, legal documents, age-restricted content, or simply satisfying curiosity. This tool breaks down your age completely and shows how many days until your next birthday.