Calculate age from date of birth: full years, months, days, and the next birthday date.
Age Calculator helps calculate age from a date of birth: full years, detailed years, months and days, days lived, next birthday date, and days until the next birthday. You can calculate age as of today or choose a specific date. All calculations run locally in your browser, and data is not sent to the server.
Choose a related tool for the next step.
Data passed between tools is kept only in the current browser session.
The Age Calculator calculates age from a date of birth directly in your browser. It shows full years, detailed age in years, months, and days, days lived, the next birthday date, and how many days remain until it. You can calculate age as of today or choose any calculation date, such as an event date, document date, or form check. Calculation runs locally in your browser, and your data is not sent to the UtiLab server.