Frequently Asked Questions

MyAgeCalc uses precise algorithms that account for leap years, varying month lengths (28, 29, 30, 31 days), and exact day counting. Our calculations are accurate to the day level.

No! All calculations happen entirely in your web browser using JavaScript. Your birth date never leaves your device and is never sent to our servers.

Our algorithm correctly identifies leap years using the standard rule: years divisible by 4 are leap years, except for century years (divisible by 100), which must also be divisible by 400.

If you were born on February 29th, our calculator handles this correctly. Our age calculation accounts for the actual leap day and calculates your precise age including all leap years since your birth.

While MyAgeCalc provides accurate calculations, we recommend verifying age calculations independently for official documents. Different jurisdictions may have specific requirements.

Yes! MyAgeCalc is completely free to use with no hidden fees, subscriptions, or premium features. The service is supported by non-intrusive advertising and will remain free forever.

Yes! Our main age calculator includes a 'Calculate age as of' feature. Simply toggle it on and select any date to see how old you were or will be on that specific date.

MyAgeCalc is fully responsive and works perfectly on smartphones, tablets, and desktop computers. The interface adapts to your screen size for the best experience on any device.