Age Calculator: Date of Birth

This extension lets you enter a date of birth to calculate your exact age, next birthday, and a precise time lived expressed in seconds, minutes, hours, days, weeks, months, and years. The result is clear and quick, with an easy-to-read breakdown that answers every age-related question.

It also enables you to share your exact age and upcoming birthday with friends via social media, and you can calculate ages for multiple people by simply entering different birth dates. Best of all, Age Calculator: Date of Birth is free to use with a straightforward English interface.