Age Calculator

Your Age

About Age Calculator

What Is an Age Calculator?

An age calculator determines the exact time elapsed between a date of birth and the current date (or any target date). It breaks the result down into years, months, and days for precision. This is useful for official documents, medical records, school enrollment deadlines, insurance policies, and retirement planning. Manual age calculation can be tricky when months have different lengths and leap years are involved. This calculator handles all of those edge cases automatically.

How Age Is Calculated

The calculator subtracts the birth date from the target date. It counts complete years first, then remaining complete months, then remaining days. February 29 birthdays are handled correctly: in non-leap years the birthday is counted on March 1. The tool also converts total age into alternative units like total months, total weeks, total days, total hours, and total minutes for fun or specific use cases.

How to Use This Calculator

Enter your date of birth and optionally a target date (defaults to today). Click Calculate to see your exact age. The result shows years, months, and days along with a countdown to your next birthday. You can also calculate age at a specific past or future date.

Frequently Asked Questions

How do I calculate my exact age?

Enter your date of birth and the calculator will show your exact age in years, months, and days from today. It accounts for varying month lengths and leap years automatically.

Does the calculator handle leap year birthdays?

Yes. If you were born on February 29, the calculator correctly handles non-leap years by using March 1 as the birthday equivalent.

Can I calculate age at a specific date?

Yes. Change the target date field to any past or future date to see what your age was or will be on that date.