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Age & Date Calculator

Calculate your exact age or find the duration between two dates instantly.

Select a birth date to see your age details.

What is an Age Calculator?

An age calculator is a digital tool that determines a person's age based on their date of birth and the current date (or any past/future reference date). It breaks down the result into years, months, and days, offering a more precise answer than just the year count.

This tool also doubles as a "Date Difference Calculator," allowing you to find the exact duration between any two events, perfect for project planning, countdowns, or historical research.

Common Use Cases

  • Birthday Planning: Find out exactly how many days are left until your next big celebration.
  • Job Applications: Accurately calculate your years and months of experience in a specific role.
  • Event Countdowns: Track days remaining until a wedding, vacation, or retirement.
  • Historical Research: Determine the exact duration of historical events or time periods.
  • Legal & Finance: Verify age requirements for contracts, insurance, or benefits.

Frequently Asked Questions

Does it count leap years?

Yes. Our calculator logic accounts for leap years (years with 366 days) to ensure the total day count and age calculation are precise.

How is age calculated?

Age is calculated by subtracting the birth date from the current date. First, we calculate the difference in years, then months, and finally days, adjusting for cases where the current month/day is earlier than the birth month/day.

Can I calculate future ages?

Yes! Simply change the "Reference Date" to a future date, and the tool will tell you how old you will be on that specific day.

Is my data saved?

No. All calculations happen instantly in your browser. We do not store or transmit your birth date or any other information.