Calculate your exact age in years, months, days and more!
An age calculator is a digital tool that helps you determine your exact age or the time difference between two dates. Unlike simple math calculations, an age calculator accounts for leap years, varying month lengths, and provides precise results in multiple time units.
Our age calculator works by:
Age calculators are useful for various purposes:
Our age calculator is extremely accurate as it accounts for leap years, varying month lengths, and calculates down to the second. It uses JavaScript's built-in date functions which handle all calendar complexities automatically.
Yes! You can use the "Calculate Age As Of" field to determine how old someone was on any specific date in the past or future. This is useful for historical calculations or planning future milestones.
The calculator uses your device's local time zone. For the most accurate results, ensure your device's date and time settings are correct for your location.
No, your personal information is not stored anywhere. All calculations are performed locally in your browser, and no data is sent to our servers or stored permanently.
The calculator can handle dates from January 1, 1900, to well into the future. This covers virtually all practical use cases for age calculation.
Leap years add an extra day (February 29) every four years. Our calculator automatically accounts for leap years, ensuring that your age calculation is precise regardless of how many leap years have occurred since your birth.
Yes, this age calculator is free to use for both personal and business purposes. It's commonly used by HR departments, healthcare providers, and legal professionals for age verification and documentation.