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Age Calculator

Calculate your exact age in years, months, days, and more.

An age calculator computes your exact age in years, months, and days from your date of birth to any given date (default: today).

Age = Current Date − Date of Birth (accounting for varying month lengths and leap years)

Example: Born January 15, 1990, as of March 31, 2026 → 36 years, 2 months, and 16 days old.

Frequently Asked Questions

How to use the age calculator?

Enter your date of birth and optionally a target date. The calculator shows your exact age in years, months, and days.

How is age calculated?

Age is calculated by finding the difference between the two dates, accounting for varying month lengths and leap years.

Can I calculate age for any date?

Yes, you can use any past or future date as the reference point, making it useful for historical or planning purposes.